North America

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Greenland

Saint Pierre and Miquelon

Canada

Mexico

United States

  Central and South America

Antarctica

Dominican Republic

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Antigua and Barbuda

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Argentina

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Paraguay

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Falkland Islands

Peru

Bahamas, The

French Guiana

Puerto Rico

Barbados

Grenada

Saint Kitts and Nevis

Belize

Guadeloupe

Saint Lucia

Bolivia

Guatemala

Saint Vincent/Grenadines

Brazil

Guyana

Suriname

Cayman Islands

Haiti

Trinidad and Tobago

Chile

Honduras

Turks and Caicos Islands

Colombia

Jamaica

Uruguay

Costa Rica

Martinique

Venezuela

Cuba

Montserrat

Virgin Islands, U.S.

Dominica

Netherlands Antilles

Virgin Island, British

  Europe

Albania

France

Netherlands

Austria

Germany

Norway

Belgium

Germany, East

Poland

Bosnia and Herzegovina

Germany, West

Portugal

Bulgaria

Gibraltar

Romania

Croatia

Greece

Serbia

Cyprus

Hungary

Slovakia

Czech Republic

Iceland

Slovenia

Denmark

Ireland

Spain

Faroe Islands

Sweden

Finland

Luxembourg

Switzerland

Former Czechoslovakia

Macedonia

Turkey

Former Serbia and Montenegro

Malta

United Kingdom

Former Yugoslavia

Montenegro

  Eurasia

Armenia

Kazakhstan

Russia

Azerbaijan

Kyrgyzstan

Tajikistan

Belarus

Latvia

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Estonia

Lithuania

Ukraine

Former U.S.S.R.

Moldova

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Georgia

  Middle East

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Iran

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Iraq

Oman

United Arab Emirates

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Qatar

Yemen

Jordan

  Africa

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Gabon

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Angola

Gambia, The

Rwanda

Benin

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Guinea-Bissau

Senegal

Burundi

Kenya

Seychelles

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Sierra Leone

Cape Verde

Liberia

Somalia

Central African Republic

Libya

South Africa

Chad

Madagascar

Sudan

Comoros

Malawi

Swaziland

Congo (Brazzaville)

Mali

Tanzania

Congo (Kinshasa)

Mauritania

Togo

Cote d'Ivoire (Ivory Coast)

Mauritius

Tunisia

Djibouti

Morocco

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Egypt

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Western Sahara

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Namibia

Zambia

Eritrea

Niger

Zimbabwe

Ethiopia

Nigeria

Asia and Oceania

Afghanistan

India

Niue

American Samoa

Indonesia

Pakistan

Australia

Japan

Papua New Guinea

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Philippines

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Korea, North

Samoa

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Korea, South

Singapore

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Solomon Islands

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Macau

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China

Malaysia

Taiwan

Cook Islands

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Thailand

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U.S. Pacific Islands

French Polynesia

Nepal

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Guam

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Vietnam

Hawaiian Trade Zone

New Zealand

Wake Island

Hong Kong

Organization for Economic Cooperation and Development (OECD)

Australia

Guam

Norway

Austria

Hawaiian Trade Zone

Poland

Belgium

Hungary

Portugal

Canada

Iceland

Puerto Rico

Czech Republic

Ireland

Slovakia

Denmark

Italy

Spain

Finland

Japan

Sweden

Former Czechoslovakia

Korea, South

Switzerland

France

Luxembourg

Turkey

Germany

Mexico

United Kingdom

Germany, East

Netherlands

United States

Germany, West

New Zealand

Virgin Islands, U.S.

Greece

OECD Europe

Austria

Germany, West

Poland

Belgium

Greece

Portugal

Czech Republic

Hungary

Slovakia

Denmark

Iceland

Spain

Finland

Ireland

Sweden

Former Czechoslovakia

Italy

Switzerland

France

Luxembourg

Turkey

Germany

Netherlands

United Kingdom

Germany, East

Norway

International Energy Agency (IEA)

Australia

Greece

Norway

Austria

Guam

Portugal

Belgium

Hawaiian Trade Zone

Puerto Rico

Canada

Hungary

Spain

Czech Republic

Ireland

Sweden

Denmark

Italy

Switzerland

Finland

Japan

Turkey

France

Korea, South

United Kingdom

Germany

Luxembourg

United States

Germany, East

Netherlands

Virgin Islands, U.S.

Germany, West

New Zealand

European Union (EU)

Austria

Germany

Malta

Belgium

Germany, East

Netherlands

Bulgaria

Germany, West

Poland

Cyprus

Greece

Portugal

Czech Republic

Hungary

Romania

Denmark

Ireland

Slovakia

Estonia

Italy

Slovenia

Finland

Latvia

Spain

Former Czechoslovakia

Lithuania

Sweden

France

Luxembourg

United Kingdom

Former U.S.S.R.

Armenia

Kazakhstan

Russia

Azerbaijan

Kyrgyzstan

Tajikistan

Belarus

Latvia

Turkmenistan

Estonia

Lithuania

Ukraine

Georgia

Moldova

Uzbekistan

Organization of the Petroleum Exporting Countries (OPEC)

Algeria

Iraq

Qatar

Angola

Kuwait

Saudi Arabia

Indonesia

Libya

United Arab Emirates

Iran

Nigeria

Venezuela