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
Sweden 0.0 0.0 0.0 0.0
Finland 0.0 0.0 0.0 0.0
Norway 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 0.3
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
Algeria 0.3 0.3 0.3 0.3
Uruguay 0.3 0.3 0.3 0.3
Zimbabwe 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 0.4 0.4 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 0.5 0.5 0.5 0.5
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
Mexico 0.9 0.9 0.9 0.9
Madagascar 0.9 0.9 0.9 0.9
Brazil 0.9 0.9 0.8 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
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
Korea, Rep. 1.4 1.4 1.3 1.4
Germany 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
Nigeria 2.8 2.8 2.8 2.8
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
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
Vanuatu 7.0 7.0 7.0 7.0
Cyprus 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
Rwanda 10.3 11.6 11.6 11.6
Haiti 11.6 11.6 11.6 11.6
Malaysia 11.6 11.7 12.1 12.6
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
St. Lucia 19.7 19.7 19.7 19.7
Samoa 20.1 21.2 21.2 21.2
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
Liechtenstein
Kazakhstan
Estonia
Uzbekistan
Monaco
Serbia
Mongolia 0.0
Northern Mariana Islands
San Marino
Marshall Islands
Eritrea
Isle of Man
Lithuania
Sint Maarten (Dutch part)
Turkmenistan
Slovak Republic
Croatia
Slovenia
Bosnia and Herzegovina
Iceland
Belarus
Hong Kong SAR, China
Faeroe Islands
Armenia
Tajikistan
Micronesia, Fed. Sts.
Latvia
Moldova
Djibouti
Kosovo
Czech Republic
Macedonia, FYR
Curacao
Palau
Turks and Caicos Islands
St. Martin (French part)
Kuwait
Ukraine
Kyrgyz Republic
Luxembourg
Aruba
Bermuda
Russian Federation
Belgium
Georgia
Azerbaijan
Greenland
Macao SAR, China
Montenegro
Andorra
South Sudan

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