U.S. foreign trade

A UNITED STATES
DEPARTMENT OF
COMMERCE
PUBLICATION



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U.S. FOREIGN TRADE


AIRBORNE EXPORTS


and GENERAL IMPORTS


AUGUST 1972


'Shipping Weight and Value;

customs District and Continent


This report presents statistics on U.S. exports and
imports by air in U.S. customs district by continent
arrangement. Data have been compiled from Shipper's
Export Declarations (Commerce Form 7525-V) and
import entries during the regular processing of statis-
tical data on foreign trade shipments. The customs
districts shown in this report are those having combined
exports and imports by airvalued at $1.5 million or more
during the preceding calendar year. A complete list of
customs districts and ports is presented in Schedule D,
Classification of U.S. Customs Districts and Ports for
U.S. Foreign Trade Statistics, January 1, 1972 edition,
as amended.
Exports
These statistics represent exports of domestic and
foreign merchandise combined and include government
and nongovernment shipments of merchandise by air
from the United States to foreign countries. The
statistics, therefore, include Department of Defense
Military Assistance Program--Grant-Aid shipments,
shipments for economic assistance under the Foreign
Assistance Act, and shipments of agricultural commod-
ities under P.L. 480 (The Agricultural Trade Development
and Assistance Act of 1954, as amended) and related laws.
Shipments to U.S. Armed Forces and diplomatic missions
abroad for their own use are not included in the export
statistics. U.S. trade with Puerto Rico and U.S.
possessions and trade between U.S. possessions are not
included in this report, but exports from Puerto Rico to
foreign countries are included as a part of the U.S.
export statistics. Merchandise shipped through the
United States in transit from one foreign country to
another, when documented as such with U.S. Customs,
is excluded. (Foreign merchandise that has entered the
United States as an important is subsequently reexported
is not treated as in-transit merchandise, and is included


in this report.) The figures in this report exclude ex-
ports of household and personal effects, shipments by
mail and parcel post, and shipments of airplanes under
their own power.
For security reasons, certain commodities are desig-
nated as Special Category commodities, for which
security regulations place restrictions upon the export
information that may be released. The data shown in
this report for individual customs districts and conti-
nents exclude exports of Special Category commodities,
but overall shipping weight and value totals for Special
Category commodities are shown. A list of Special
Category commodities may be obtained from the Bureau
of the Census.
The statistics on exports of domestic and foreign
merchandise to countries other than Canada reflect fully
compiled data for shipments valued $500 and over
combined with estimated data for shipments valued
$251-$499, based on a 50-percent probability sample
of such shipments. For exports to Canada the statistics
reflect fully compiled data for shipments valued $2,000
and over combined with estimated data for shipments
valued $251-$1,999, based on a 10-percent probability
sample of such shipments. Shipping weight and value
data are also estimated for shipments valued under $251.
These estimates are not included in the data shown for
individual customs districts.

Since the export figures shown include estimates
based on a sample of low-valued shipments, they are
subject to some degree of sampling variability. The
table on the following page provides a rough guide to
the general level of sampling variability of value totals,
on a 2 chances out of 3 basis. Usually, the higher value
figures will have the lower percent sampling errors.


For sale by the Bureau of the Census, Washington, D.C. 20233. Price 10 cents per copy. Annual subscription
(FT 900, 975, 985, and 986 combined) $3.00.












Proportion of cells wiui
Value totals for
"Total" and "North
America" of- under under under under
2% 5% 104 2-0%

$1,000,000 and over .60 .75 .85 1.00

$5000000-$1,000,000 .20 1.00

$100,00-$500,000 .30 .45 .70 1.00

$20,000-$100,000 .35 .70 1.00

Cells of under $20,000 Are likely to have sampling
variability from $3,000 to
$15,000

Value totals for Are likely to have sampling
continents of South variability of-
America, Europe, Asia,
Australia and Oceania,
and Africa of-


$300,000 and over Less than 26

$100,000-$300,000 Less than 5% with over half
of the totals less than 2%

$20,000-$100,000 Generally less than 10%
with over half of the
totals less than 5%

Under $20,000 Generally $500 to $5,000

Cells of $0 Generally less than $500


The sampling variability of shipping weightfigures, in
percentage terms, can be approximated by the percent
sampling variability of value.

Imports

These statistics represent general imports, whichare
a combination of imports for immediate consumption


and entries into bonded warehouses. The statistics
include government as well as nongovernment shipments
of merchandise by air from foreign countries to the
United States. However, American goods returned by
the U.S. Armed Forces for their own use are excluded.
U.S. trade with Puerto Rico and with U.S. possessions
and trade between U.S. possessions are not included in
this report, but imports into Puerto Rico from foreign
countries are considered to be U.S. imports and are
included. Merchandise shipped through the United Stares
in transit from one foreign country to another, when
documented as such through U.S. Customs, is not re-
ported as imports and is excluded from the data shown
in this report. (Foreign merchandise that has entered
the United States as an import and is subsequently re-
exported is not treated as in-transit merchandise and is
included in this report.) Importy of household and
personal effects, imports by mail and parcel post, and
imports of airplanes under their own power are not
included.


The statistics shown for individual customs districts
represent fully compiled data for shipments valued $251
and over. Data for shipments valued under $251, re-
ported on formal and informal entries (informal entries
generally contain items valued under $251), are estimated
from a I-percent sample. Separate shipping weight and
value estimates for shipments valued under $251 are
shown. The shipping weight data are estimated from the
values on the basis of constants that have been derived
from an observation of the value-weight relationships
in past periods.



Since the statistics showing total value of imports
by all carriers include sample estimates, they are
subject to sampling variability. In general, the higher
value figures will have the lower percent sampling
errors. Value totals of $500,000 and over will generally
have a sampling variability of less than 3 percent; value
totals of under $500,000 will generally have a sampling
variability of less than $50,000.




.. .... .. ... ... .... ... ........ ............ ......





Table i. Selected Customs Districts of Lading by Continent >
C
(Data shown represent domestic and foreign merchandise. Shipments of Special Calegory commodities are excluded from all district and continent data. Estimated shipments valued under 5251 are excluded from all district data 0
and data for U.S. flag carriers) -
--4

Shipping weight (1.000 pounds) _Value t1,000 dollars)
LD

Total Total
Customs district North South Australia North South Australia
All S. America America Europe Asia and Afca All U.S. America America Europe Asia an Africa
flag Oceana carriers lag Ocean
carriers carriers caarrers

Total, all carriers... 124,778 (X) 27,938 11,840 59,980 19,721 2,342 1,962 610,991 (X) 78,513 44,808 318,345 134,042 12,709 11,676
U.S. flag carriers...... (X) 42,387 10,997 3,306 17,768 9,035 563 271 (X) 220,950 35,108 11,975 100,493 60,888 3,972 3,055
Boston, Mass............ 4,130 1,517 597 3,381 55 45 52 17,947 7,396 1,567 15,456 587 204 132
Bridgeport, Conn........ 115 106 1 114 127 95 4 -123 -
Ogdensburg, N.Y......... -
Buffalo, N.Y............ 499 498 475 24 (Z) 2,765 2,758 2,672 87 6 -
New York City, N.Y...... 53,941 16,940 4,504 3,355 37,968 6,853 207 1,054 303,874 100,599 14,824 17,451 211,205 50,893 1,627 7,876
Philadelphia, Pa........ 1,156 578 134 43 730 226 1 23 7,189 3,551 379 232 3,540 2,911 8 118
Baltimore, Md ........... 92 90 42 37 7 6 830 130 57 57 715 1
Wilmington, N.C......... -
Charleston, S.C......... 20 20 1 12 2 6 235 235 12 149 17 58 -
Savannah, Ga............ 329 256 89 1 209 23 7 3,077 619 270 20 2,358 406 24
'rl
Tampa, Fla.............. 105 59 100 5 152 63 139 13 X
Mobile, Ala............. 24 24 24 250 250 250 -
New Orleans, La ........ 366 91 346 20 1 1,034 438 893 114 26 -
Laredo, Tex............. 400 210 385 8 7- 715 473 626 43 46 -
El Paso, Tex........... 325 325 324 1 (Z) 1,119 1,119 1,115 1 3 -
Nogales, Ariz........... 90 69 90 634 580 634 -
Los Angeles, Calif ...... 7,233 2,833 1,362 193 2,030 2,949 580 119 70,606 24,020 8,653 1,908 24,958 30,577 3,618 892
San Francisco, Calif.... 5,564 2,931 245 71 355 '4,207 682 4 43,282 18,739 2,039 432 3,221 32,021 5,468 101
Portland, Oreg.......... 110 110 7 102 1 (Z) 1,450 1,450 85 1.344 15 -6 0
Seattle, Wash........... 1,177 646 265 2 411 475 16 8 6,465 3,600 861 15 2,029 3,204 59 298
Anchorage, Alaska....... 246 13 13 22 211 374 22 22 93 259
Honolulu, Hawaii........ 185 102 9 11 116 49 -905 539 7 17 550 332
Great Falls, Mont....... 60 60 60 230 230 230 -
Pembina N. Dak.........- -
Minneapolis, Minn....... 256 139 65 191 (Z) () 2,091 1,168 289 1,796 5 1
Detroit, Mich .......... 2,074 1,669 491 27 1,487 40 13 16 8,934 7,736 2,093 132 6,367 102 167 74
Chicago, 111............ 11,958 5,112 3,131 2 6,743 1,836 22 225 18,098 19,351 13,496 7 26,776 6,944 158 717
Cleveland, Ohio......... 997 77 763 1 227 (Z) (Z) 5 1,858 249 1,207 4 636 4 3 3
St. Louis Mo .......... 96 96 4 65 7 (Z 1,668 1,668 27 1,633 6 -
Sen Juan, P.R........... 837 575 718 110 9 (Z) 3,075 2,180 1,391 1,298 380 6
Miami, Fla.............. 14,200 5,832 7,226 6,593 362 17 (L) 2 37,374 13,960 15,059 19,923 2,299 80 1 13
Houston, Tex ............ 1,563 668 824 124 334 196 1 85 5,985 1,566 2,372 305 1,542 1,175 1 590
Washington, D.C ........ 526 204 2 97 413 9 5 5,706 505 11 818 4,816 36 23
All other districts..... 119 89 62 47 9 (Z) I 290 203 163 51 72 1 4 -
Shipments under 1251.... 14,990 (NA) 5,605 1,134 4,718 2,456 724 353 21,754 (NA) 7,317 1,905 7,48? 3,182 1,061 808
Special Category........ 994 447 ( D (D) (D1 (Di (D) (D) 10,899 5,459 (D) (D) (D) (D) (D) (D)


Represents zero.
500 pounds or $500.


Z Less than


NA Not available.


X Not applicable.


D Data withheld to avoid disclosure of information for security reasons.










Table 2. Selected Customs Districts of Unlading by Continent

(Estimated shipments valued under $251 are excluded from all district data and data for U.S. flag carriers. Total columns include a small amount of shipments which are unidentified by continent)

Shipping weight (1.000 pounds) Value 1.000 dollars

Total Total
Customs district Australia Australia
aorah South North South Europe Asia and Ahica
A U.Cu Am a A cuta Europe Asia and Africa U. S. Europe Asia a A a
All America Ameiica Oceania All flag America America Oceania
carriers flag rrirs carriers
carriers carriers

Total, all carriers.. 78,410 (X) 7,416 7,442 41,804 20,715 707 286 467,613 (Xi 34,856 17,916 281,452 121,998 3,059 8,284
U.S. flag carriers..... (h) 34,218 2,873 3,590 16,229 10,997 471 57 (X) 225,810 14,575 7,997 133,117 65,674 1,645 2,802
Boston, Mass........... 2,608 1,402 92 45 2,392 67 2 9 12,959 7,267 1,008 134 11,446 286 15 70
Bridgeport, Conn ....... 2 1 1 (Z) 1 (Z) 13 5 10 (7) 2 1 -
Ogdensburg, N.Y........ 1 1 1 14 14 14
Buffalo, N.Y ........... 212 165 165 1 19 27 1,589 1,500 1,247 20 255 67 -
New York City, N.Y..... 39,752 15,751 993 2,981 28,586 6,828 198 166 243,008 95.073 5,136 11,666 182,692 37,748 801 4,966
Philadelphia, Pa....... 732 388 33 4 582 106 1 5 10,149 6,834 181 15 7,260 694 19 1,979
Baltimore, Md.......... 163 129 6 149 6 2 1,353 1,301 63 1,250 21 19
Wilmington, N.C........ 242 242 (Z) 241 1 2,912 2,912 24 2,886 2 -
Charleston, S.C........ 272 272 (Z) 67 206 13,320 13,319 1 13,207 112
Savannah, Ga........... 71 66 11 1 58 (Z) 1,656 1,484 338 2 1,312 5
Tampa, Fla............. 34 29 32 2 (Z) 184 101 145 36 4 -
Mobile, Ala............ 1 1 (Z) 1 2 1 1 2 -
New Orleans, La........ 364 167 256 1 8 99 (Z) 564 219 365 10 161 27 2
Laredo, Tex ............ 103 92 103 1 (Z) 265 154 224 38 3 -
El Paso, Tex .......... 13 9 11 1 () (Z) 386 338 374 5 3 3
Nogales, Ariz.......... 17 10 16 (Z) 1 (Z) 108 65 100 (Z) 7 1 -
Los Angeles, Calif ..... 6,355 3,121 293 113 962 4,844 137 6 53,786 28,561 4,653 588 16,516 30,952 977 101
San Francisco, Calif... 5,624 4,329 46 8 233 5,226 111 (Z) 44,665 30,061 848 40 2,572 40,352 832 22
Portland, Oreg ......... 3 3 2 (Z) (Z) -29 26 23 5 2
Seattle, Wash .......... 1,109 943 108 146 854 (Z) (Z) 8,336 4,549 3,658 1,006 3,669 1 1
Anchorage, Alaska...... 47 1 1 23 23 398 2 3 272 123 -
Honolulu, Hawaii........ 436 171 40 26 341 30 3,114 1,445 54 726 2,113 221
Great Falls, Mont...... 34 34 34 83 83 83 -
Pembina, N. Dak........ (Z) (Z) (2) (Z) -
Minneapolis, Minn...... 76 67 8 14 54 (Z) 250 195 24 87 138 1 -
Detroit, Mich.......... 1,834 1,285 419 (Z) 1,333 70 (Z) 12 5,890 4,442 1,619 1 4,032 186 2 51
Chicago, Ill........... 3,177 1,235 360 7 2,620 180 (Z) 10 24,517 8,851 4,542 83 18,153 1,496 35 207
Cleveland, Ohio ........ 155 21 42 90 23 1,317 107 396 796 126 -
St. Louis, Mo.......... 119 117 (Z) 116 3 3,870 3,859 4 3,850 16 -
San Juan, P.R.......... 1,507 503 880 495 128 2 (Z) 1 2,661 681 1,396 552 594 114 (Z) 5
Miami, Fla.............. 6,406 3,007 2,506 3,575 314 9 (Z) (Z) 13,575 7,460 6,491 4,513 2,334 209 3 24
Houston, Tax............. 255 133 124 17 70 42 (Z) 2 3,889 332 733 56 1,652 1,275 1 172
Washington, D.C........ 578 521 31 (Z) 543 2 (Z) 1 5,176 4,512 40 1 4,506 50 7 572
All other districts.... 14 4 8 6 (Z) (2) 145 60 95 47 2 1 -
Shipments under $251... 6,095 (NA) 794 192 3,072 1,907 20 72 7,429 (NA) 967 234 3,745 2,324 24 87


- Represents zero.


NA Not available.


X Not applicable.


Z Less than 500 pounds or $500.


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