Country name 1980 1981 1982 1983
Botswana 0.0 0.0 0.0 0.0
Namibia 0.0 0.0 0.0 0.0
Mauritania 0.0 0.0 0.0 0.0
Niger 0.0 0.0 0.0 0.0
Norway 0.0 0.0 0.0 0.0
Sweden 0.0 0.0 0.0 0.0
Finland 0.0 0.0 0.0 0.0
Chad 0.0 0.0 0.0 0.0
Zambia 0.0 0.0 0.0 0.0
Australia 0.0 0.0 0.0 0.0
Somalia 0.0 0.0 0.0 0.0
Ireland 0.0 0.0 0.0 0.0
Saudi Arabia 0.0 0.0 0.0 0.0
Sudan 0.0 0.0 0.0 0.0
Mali 0.1 0.1 0.1 0.1
Suriname 0.1 0.1 0.1 0.1
Guyana 0.1 0.1 0.1 0.1
Qatar 0.1 0.1 0.1 0.1
Oman 0.1 0.1 0.1 0.1
United Arab Emirates 0.1 0.1 0.1 0.1
Senegal 0.1 0.1 0.1 0.1
Congo, Rep. 0.1 0.1 0.1 0.1
Bolivia 0.1 0.1 0.1 0.1
Central African Republic 0.1 0.1 0.1 0.1
Lao PDR 0.1 0.1 0.1 0.2
Lesotho 0.1 0.1 0.1 0.1
New Zealand 0.1 0.1 0.1 0.1
Egypt, Arab Rep. 0.2 0.2 0.2 0.2
Burkina Faso 0.1 0.2 0.2 0.2
Yemen, Rep. 0.2 0.2 0.2 0.2
Libya 0.2 0.2 0.2 0.2
Bahamas, The 0.2 0.2 0.2 0.2
Nepal 0.2 0.2 0.2 0.2
United States 0.2 0.2 0.2 0.2
Afghanistan 0.2 0.2 0.2 0.2
South Africa 0.2 0.2 0.2 0.2
Peru 0.3 0.3 0.3 0.3
Zimbabwe 0.3 0.3 0.3 0.3
Algeria 0.3 0.3 0.3 0.3
Uruguay 0.3 0.3 0.3 0.3
Chile 0.3 0.3 0.3 0.3
Paraguay 0.3 0.3 0.3 0.3
Mozambique 0.3 0.3 0.3 0.3
Belize 0.3 0.3 0.3 0.3
United Kingdom 0.3 0.3 0.3 0.3
Denmark 0.3 0.3 0.3 0.4
China 0.3 0.3 0.4 0.4
Argentina 0.4 0.4 0.4 0.4
Bhutan 0.4 0.4 0.4 0.4
Gambia, The 0.4 0.4 0.4 0.4
Cambodia 0.4 0.4 0.4 0.4
Angola 0.4 0.4 0.4 0.4
Jordan 0.4 0.4 0.4 0.5
Iraq 0.4 0.4 0.5 0.5
New Caledonia 0.4 0.4 0.4 0.4
Congo, Dem. Rep. 0.4 0.4 0.5 0.5
Pakistan 0.4 0.4 0.5 0.5
Iran, Islamic Rep. 0.4 0.4 0.4 0.5
Swaziland 0.3 0.5 0.5 0.5
Cabo Verde 0.5 0.5 0.5 0.5
Switzerland 0.6 0.6 0.6 0.6
Canada 0.6 0.6 0.6 0.7
Gabon 0.6 0.6 0.6 0.6
Ethiopia 0.6 0.6 0.6 0.6
Myanmar 0.7 0.7 0.7 0.7
Benin 0.8 0.8 0.8 0.8
Venezuela, RB 0.8 0.8 0.8 0.9
Kenya 0.8 0.8 0.8 0.8
Madagascar 0.9 0.9 0.9 0.9
Brazil 0.9 0.9 0.9 0.8
Netherlands 0.9 0.9 0.9 0.9
Brunei Darussalam 0.9 0.9 0.8 0.8
Malawi 1.0 1.0 1.0 1.1
Sierra Leone 1.0 1.0 1.1 1.1
Hong Kong SAR, China 1.0 1.0 1.0
Mexico 0.9 1.1 1.0 1.0
Papua New Guinea 1.1 1.1 1.1 1.1
Morocco 1.1 1.1 1.1 1.2
Tanzania 1.1 1.1 1.1 1.1
Poland 1.1 1.1 1.1 1.1
Austria 1.2 1.2 1.2 0.9
Colombia 1.3 1.3 1.3 1.3
Germany 1.4 1.4 1.4 1.4
Korea, Rep. 1.4 1.4 1.4 1.4
Nicaragua 1.5 1.5 1.5 1.5
Korea, Dem. Rep. 1.5 1.5 1.5 1.5
Solomon Islands 1.5 1.5 1.6 1.6
Togo 1.6 1.6 1.6 1.6
Japan 1.6 1.6 1.6 1.6
Panama 1.6 1.6 1.7 1.7
Guinea 1.7 1.7 1.7 1.8
India 1.8 1.8 1.8 2.0
Guinea-Bissau 1.7 1.9 1.9 1.9
Vietnam 1.9 2.1 2.2 2.3
Cayman Islands 2.1 2.1 2.1 2.1
Bangladesh 2.0 2.1 2.1 2.1
Liberia 2.1 2.1 2.1 2.1
Timor-Leste 2.0 2.2 2.3 2.4
Cameroon 2.2 2.2 2.3 2.4
Antigua and Barbuda 2.3 2.3 2.3 2.3
Barbados 2.3 2.3 2.3 2.3
Honduras 2.4 2.5 2.6 2.7
France 2.6 2.5 2.5 2.5
Syrian Arab Republic 2.5 2.6 2.8 2.9
Romania 2.9 2.9 2.8 2.8
Bulgaria 3.2 3.1 3.0 3.0
Malta 3.1 3.1 3.1 3.1
Hungary 3.4 3.2 3.1 3.0
Cuba 3.3 3.3 3.3 3.3
Ecuador 3.3 3.4 3.6 3.7
Mauritius 3.4 3.4 3.4 3.4
Nigeria 3.8 3.5 3.5 3.5
Equatorial Guinea 3.6 3.6 3.6 3.6
Thailand 3.5 3.6 3.7 3.7
Turkey 4.1 3.9 3.8 3.8
Israel 4.1 4.3 4.4 4.3
Albania 4.3 4.3 4.4 4.4
Bahrain 5.8 4.3 2.9 2.9
Fiji 4.4 4.4 4.4 4.4
Indonesia 4.4 4.4 4.4 4.4
Costa Rica 4.4 4.4 4.5 4.5
Guatemala 4.5 4.5 4.5 4.5
Virgin Islands (U.S.) 5.7 5.7 2.9 2.9
French Polynesia 6.0 6.0 6.0 6.0
Cyprus 6.5 6.7 6.8 6.8
Vanuatu 7.0 7.0 7.0 7.0
Trinidad and Tobago 6.8 7.2 7.2 5.8
Dominican Republic 7.2 7.2 7.3 7.3
Puerto Rico 7.3 7.3 7.3 7.3
Singapore 9.0 7.5 6.0 6.0
Ghana 7.5 7.5 7.5 7.5
Cote d'Ivoire 7.2 7.5 7.9 8.0
Portugal 7.8 7.9 8.0 8.1
Greece 7.9 8.0 7.9 8.0
Uganda 8.0 8.2 8.3 8.5
Lebanon 8.9 8.6 8.8 8.8
Seychelles 8.7 8.7 10.9 10.9
Jamaica 9.7 9.7 9.7 9.7
Spain 9.9 9.8 9.9 9.8
Maldives 10.0 10.0 13.3 13.3
American Samoa 10.0 10.0 10.0 10.0
Italy 10.0 10.1 10.1 10.7
Tunisia 9.7 10.3 10.9 11.8
Comoros 10.7 10.7 10.7 10.7
Malaysia 11.0 11.4 11.7 12.0
Rwanda 10.3 11.6 11.6 11.6
Haiti 11.6 11.6 11.6 11.6
El Salvador 11.7 11.8 12.2 12.4
Burundi 12.5 12.5 12.5 12.5
St. Vincent and the Grenadines 12.8 12.8 12.8 15.4
Dominica 13.3 13.3 14.7 14.7
Philippines 14.8 14.8 14.8 14.8
Sri Lanka 16.1 16.1 15.9 15.9
Guam 14.8 18.5 18.5 18.5
West Bank and Gaza 18.8 18.8 19.1 19.4
Tonga 19.4 19.4 19.4 18.1
Samoa 20.1 21.2 21.2 21.2
St. Lucia 21.3 22.1 23.0 23.8
St. Kitts and Nevis 23.1 23.1 19.2 19.2
Grenada 35.3 35.3 35.3 35.3
Sao Tome and Principe 36.5 36.5 36.5 36.5
Kiribati 44.4 44.4 44.4 44.4
Tuvalu 66.7 66.7 66.7 66.7
Macedonia, FYR
Bermuda
Kazakhstan
Serbia
Palau
Monaco
Ukraine
Mongolia 0.0
Azerbaijan
Liechtenstein
Eritrea
Sint Maarten (Dutch part)
Kosovo
Slovak Republic
Turkmenistan
Slovenia
Isle of Man
Northern Mariana Islands
Iceland
Belgium
Lithuania
Kuwait
South Sudan
Tajikistan
Montenegro
Macao SAR, China
Moldova
Djibouti
San Marino
Czech Republic
Latvia
Curacao
St. Martin (French part)
Turks and Caicos Islands
Luxembourg
Croatia
Russian Federation
Marshall Islands
Andorra
Bosnia and Herzegovina
Kyrgyz Republic
Uzbekistan
Georgia
Belarus
Faeroe Islands
Aruba
Estonia
Armenia
Greenland
Micronesia, Fed. Sts.

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