GDP gross domestic product
GDR German Democratic Republic (East Germany);
used for information dated before 3 October 1990
or CY91
GNP gross national product
GRT gross register ton
km kilometer
km2 square kilometer
kW kilowatt
kWh kilowatt-hour
m meter
NA not available
NEGL negligible
nm nautical mile
NZ New Zealand
ODA official development assistance
OOF other official flows
PDRY People's Democratic Republic of Yemen [Yemen
(Aden) or South Yemen]; used for information
dated before 22 May 1990 or CY91

UAE United Arab Emirates
UK United Kingdom
US United States
USSR Union of Soviet Socialist Republics (Soviet Union)
YAR Yemen Arab Republic [Yemen (Sanaa) or North Yemen];
used for information dated before 22 May 1990 or
CY91

_#_Administrative divisions: The numbers, designatory terms, and
first-order administrative divisions are generally those approved by the
United States Board on Geographic Names (BGN). Changes that have been
reported but not yet acted upon by BGN are noted.

_#_Area: Total area is the sum of all land and water areas delimited
by international boundaries and/or coastlines. Land area is the
aggregate of all surfaces delimited by international boundaries and/or
coastlines, excluding inland water bodies (lakes, reservoirs, rivers).
Comparative areas are based on total area equivalents. Most entities
are compared with the entire US or one of the 50 states. The smaller
entities are compared with Washington, DC (178 km2, 69 miles2) or
The Mall in Washington, DC (0.59 km2, 0.23 miles2, 146 acres).

_#_Birth rate: The average annual number of births during a year
per 1,000 population at midyear. Also known as crude birth rate.

_#_Dates of information: In general, information available as of 1
January 1991 was used in the preparation of this edition. Population
figures are estimates for 1 July 1991, with population growth rates
estimated for mid-1991 through mid-1992. Major political events have
been updated through 30 June