U.S. airborne exports and general imports

SU.S. AIRBORNE EXPORTS

AND GENERAL IMPORTS

4 MAY 1974


FT 986-74-5 ,,/f .1974


Shipping Weight and Value;

Customs District and Continei


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 airvaluedat$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, 1974 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 AgriculturalTrade Development
and Assistance Act of 1954, as amended) and related laws.
Shipments to U.S. Armed Forces anddiplomatic 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 import and i 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.


The value reported in the expcYF, ii~iA; firally
is equivalent to a f.a.s. (free alongside 'sfT'4filue at the
U.S. port of export, based on the transaction price, in-
cluding inland freight, insurance, and other charges
incurred in placing the merchandise alongside the
carrier at the U.S. port of exportation.

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. L'ruall,,. the higher value
figures will have the lower percent sampling errors.


Inquiries concerning these figures should be addressed to the Chief, Foreign Trade Division, Bureau of the
Census, Washington, D.C. 20233. Tel: Area Code 301, 763-5140.

* JI B U.S. DEPARTMENT OF COMMERCE, Social and Economic Statistics Administration, BUREAU OF THE CENSUS

S'1 6/ For sale by the Subscriber Services Section (Publications), Social and Economic Statistics Administration, Washing-
ton, D.C. 20233, or any U.S. Department of Commerce district office. Price 10 cents per copy. Annual subscription
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Proportion of cells with
Value totals for sampling variability of:
"Total" and "North
America" of: under under under under
2% 5% 10% 20%


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


500o,o0oo-nt1op,doo' .20 1.00

, .000-!500,000 .30 .45 .70 1.00


oo.00 oo,oo000 .35 .35 .70 1.00


Ce ts's& under 20,00 Are likely to have sampling
S var3ibility irom 13,000
S* .- to 1 ,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 2%


$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 5S


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


Cells of $0 Generally less than $500


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


Imports

These statistics represent general imports, which are
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 ownuseareexcluded. 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. Merchan-
dise shipped through the United States in transit from one
foreign country to another, when documented as such
through U.S. Customs, is not reported 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 reexported is not treated as
in-transit merchandise and is included in this report.)
Imports of household and personal effects, imports by
mail and parcel post, and Lmportsof airplanesunder 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 5-percent sample for 1973. 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 relation-
ships 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.
\ alue 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 550,000.











U.S. EXPORTS BY AIR


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