Country name 1990 1991 1992 1993 1994
Mongolia 0.0 0.0 0.0 0.0 0.0
Botswana 0.0 0.0 0.0 0.0 0.0
Namibia 0.0 0.0 0.0 0.0 0.0
Mauritania 0.0 0.0 0.0 0.0 0.0
Finland 0.0 0.0 0.0 0.0 0.0
Sweden 0.0 0.0 0.0 0.0 0.0
Niger 0.0 0.0 0.0 0.0 0.0
Norway 0.0 0.0 0.0 0.0 0.0
Chad 0.0 0.0 0.0 0.0 0.0
Australia 0.0 0.0 0.0 0.0 0.0
Zambia 0.0 0.0 0.0 0.0 0.0
Somalia 0.0 0.0 0.0 0.0 0.0
Saudi Arabia 0.0 0.0 0.0 0.1 0.1
Ireland 0.0 0.0 0.0 0.0 0.0
Sudan 0.0 0.0 0.0 0.0 0.0
Kuwait 0.1 0.1 0.1 0.1 0.1
Mali 0.1 0.1 0.1 0.1 0.1
Suriname 0.1 0.1 0.1 0.1 0.1
Guyana 0.1 0.1 0.1 0.1 0.1
Congo, Rep. 0.1 0.1 0.1 0.1 0.1
Lesotho 0.1 0.1 0.1 0.1 0.1
Central African Republic 0.1 0.1 0.1 0.1 0.1
Oman 0.1 0.1 0.2 0.1 0.1
Bolivia 0.1 0.2 0.2 0.2 0.2
Qatar 0.1 0.2 0.2 0.2 0.2
New Zealand 0.2 0.2 0.2 0.2 0.2
Afghanistan 0.2 0.2 0.2 0.2 0.2
Senegal 0.2 0.2 0.2 0.2 0.2
Yemen, Rep. 0.2 0.2 0.2 0.2 0.2
Libya 0.2 0.2 0.2 0.2 0.2
Bahamas, The 0.2 0.2 0.2 0.2 0.4
Nepal 0.2 0.2 0.3 0.3 0.4
Paraguay 0.2 0.2 0.2 0.2 0.2
Algeria 0.2 0.2 0.2 0.2 0.2
United States 0.2 0.2 0.2 0.2 0.2
Denmark 0.2 0.2 0.2 0.2 0.2
South Africa 0.2 0.3 0.3 0.3 0.3
Burkina Faso 0.3 0.3 0.3 0.3 0.3
Uruguay 0.3 0.3 0.3 0.3 0.3
Zimbabwe 0.3 0.3 0.3 0.3 0.3
United Kingdom 0.3 0.3 0.3 0.3 0.3
Lao PDR 0.3 0.3 0.3 0.3 0.3
Mozambique 0.3 0.3 0.3 0.3 0.3
Singapore 1.5 0.3 0.3 0.3 0.3
United Arab Emirates 0.2 0.3 0.4 0.4 0.5
New Caledonia 0.3 0.3 0.3 0.3 0.3
Peru 0.3 0.3 0.3 0.4 0.6
Chile 0.3 0.3 0.4 0.4 0.4
Argentina 0.4 0.4 0.4 0.4 0.4
Egypt, Arab Rep. 0.4 0.4 0.4 0.4 0.4
Angola 0.4 0.4 0.4 0.4 0.4
Bhutan 0.4 0.4 0.4 0.4 0.5
Gambia, The 0.5 0.5 0.5 0.5 0.5
Cabo Verde 0.5 0.5 0.7 0.7 0.7
Iraq 0.5 0.5 0.6 0.6 0.7
Congo, Dem. Rep. 0.5 0.5 0.5 0.5 0.5
Switzerland 0.6 0.6 0.6 0.6 0.6
Pakistan 0.6 0.6 0.6 0.7 0.7
Ethiopia 0.6 0.6 0.6 0.5 0.5
Cambodia 0.6 0.6 0.7 0.7 0.7
Gabon 0.6 0.6 0.6 0.6 0.6
Canada 0.7 0.7 0.7 0.7 0.7
Swaziland 0.7 0.7 0.7 0.7 0.7
Germany 1.3 0.7 0.7 0.7 0.7
Brunei Darussalam 0.8 0.8 0.8 0.8 0.8
Myanmar 0.8 0.8 0.8 0.8 0.8
Jordan 0.8 0.8 0.8 0.8 0.8
China 0.8 0.8 0.8 0.9 1.0
Iran, Islamic Rep. 0.8 0.8 0.8 0.8 0.8
Brazil 0.8 0.8 0.9 0.9 0.9
Kenya 0.8 0.8 0.8 0.8 0.8
Venezuela, RB 0.9 0.9 0.9 0.9 0.9
Netherlands 0.9 0.9 1.0 1.1 1.0
Austria 1.0 1.0 0.8 1.0 0.9
Benin 0.9 1.0 1.0 1.1 1.3
Hong Kong SAR, China 1.0 1.0 1.0 1.0 1.0
Madagascar 1.0 1.0 1.0 1.0 1.0
Tanzania 1.1 1.1 1.1 1.1 1.1
Poland 1.1 1.2 1.2 1.2 1.1
Mexico 1.1 1.2 1.2 1.2 1.2
Belize 1.1 1.2 1.4 1.5 1.5
Papua New Guinea 1.2 1.2 1.2 1.2 1.2
Japan 1.3 1.3 1.2 1.2 1.2
Malawi 1.4 1.4 1.4 1.4 1.4
Korea, Dem. Rep. 1.5 1.5 1.5 1.7 1.7
Liberia 1.6 1.6 1.6 1.6 1.6
Colombia 1.5 1.6 1.6 1.7 1.8
Morocco 1.6 1.7 1.8 1.8 1.9
Nicaragua 1.6 1.7 1.7 1.7 1.8
Korea, Rep. 1.6 1.7 1.8 1.9 1.9
Togo 1.7 1.7 1.7 1.8 1.8
Sierra Leone 1.9 1.9 1.7 1.7 1.7
Solomon Islands 1.9 1.9 2.0 2.0 2.0
Cayman Islands 2.1 2.1 2.1 2.1 2.1
Panama 2.1 2.1 2.2 2.2 2.2
Guinea 2.0 2.1 2.2 2.3 2.4
Northern Mariana Islands 2.2 2.2 2.2 2.2
France 2.2 2.2 2.2 2.2 2.2
Antigua and Barbuda 2.3 2.3 2.3 2.3 2.3
Barbados 2.3 2.3 2.3 2.3 2.3
India 2.2 2.4 2.5 2.6 2.6
Cameroon 2.6 2.5 2.5 2.5 2.5
Hungary 2.6 2.6 2.6 2.5 2.5
Bangladesh 2.5 2.6 2.6 2.6 2.7
Romania 2.6 2.6 2.6 2.6 2.6
Bulgaria 2.7 2.7 2.6 2.2 2.0
Virgin Islands (U.S.) 2.9 2.9 2.9 2.9 2.9
Bahrain 2.9 2.9 4.2 4.2 4.2
Mauritius 3.0 3.0 3.0 3.0 2.5
Malta 3.1 3.1 3.1 3.1 3.1
Honduras 3.2 3.1 3.0 3.0 3.0
Vietnam 3.2 3.2 3.7 3.8 4.1
Equatorial Guinea 3.6 3.6 3.6 3.6 3.6
Turkey 3.9 3.9 3.9 4.0 4.0
Israel 4.1 4.0 3.9 3.9 3.9
Timor-Leste 3.9 4.0 4.0 4.0 4.0
Guinea-Bissau 4.2 4.2 4.2 4.2 4.2
Cuba 4.2 4.2 4.7 4.7 4.7
Syrian Arab Republic 4.0 4.2 4.3 3.6 3.7
Palau 4.3 4.3 4.3 4.3
Fiji 4.4 4.4 4.4 4.4 4.4
Guatemala 4.5 4.5 4.5 5.2 5.2
Albania 4.6 4.6 4.6 4.6 4.6
Nigeria 4.3 4.6 4.8 5.3 5.4
Ecuador 4.8 4.9 5.0 5.1 5.1
Costa Rica 4.9 5.0 5.1 5.3 5.7
Cyprus 5.5 5.3 5.2 5.0 4.5
Puerto Rico 5.6 5.6 5.3 5.3 5.0
French Polynesia 5.7 5.7 5.7 5.7 5.5
Thailand 6.1 6.3 6.5 6.6 6.8
Indonesia 6.5 6.5 6.3 6.7 7.2
Seychelles 6.5 6.5 6.5 6.5 6.5
Ghana 6.6 6.7 6.7 7.0 7.5
Trinidad and Tobago 6.8 6.8 6.8 6.8 6.8
St. Kitts and Nevis 7.7 7.7 7.7 7.7 3.8
Vanuatu 8.0 8.1 8.2 8.4 8.4
Greece 8.3 8.4 8.4 8.4 8.4
Portugal 8.5 8.4 8.4 8.3 8.2
Jamaica 9.2 9.2 9.2 9.2 10.2
Uganda 9.3 9.5 9.5 9.7 9.7
Spain 9.7 9.7 9.5 9.4 9.4
Dominican Republic 9.3 9.7 10.3 10.3 10.3
American Samoa 10.0 10.0 10.0 10.0 10.0
Italy 10.1 10.0 9.8 9.6 9.6
Cote d'Ivoire 11.0 11.0 11.3 11.3 11.6
Haiti 11.6 11.6 10.9 10.9 10.9
Samoa 11.7 11.7 11.7 11.7 11.3
Lebanon 11.9 12.2 12.3 12.3 12.4
Rwanda 12.4 12.4 12.4 11.3 9.7
Tunisia 12.5 12.7 12.7 12.6 12.8
El Salvador 12.5 12.7 12.7 12.8 13.0
Maldives 13.3 13.3 13.3 13.3 13.3
Burundi 14.0 14.0 14.4 14.4 14.4
Philippines 14.8 14.8 14.8 14.8 14.8
St. Vincent and the Grenadines 15.4 15.4 15.4 12.8 12.8
Sri Lanka 15.9 15.9 15.9 15.9 15.9
Dominica 14.7 16.0 16.0 16.0 16.0
Tonga 16.7 16.7 16.7 16.7 16.7
Malaysia 16.9 17.0 17.0 17.3 17.6
Guam 18.5 18.5 18.5 18.5 18.5
West Bank and Gaza 19.1 19.3 19.3 19.3 19.3
Comoros 18.8 21.5 21.5 21.5 21.5
Micronesia, Fed. Sts. 24.3 24.3 24.3 24.3
St. Lucia 26.2 24.6 24.6 24.6 24.6
Grenada 29.4 26.5 26.5 26.5 26.5
Sao Tome and Principe 40.6 40.6 40.6 40.6 41.7
Marshall Islands 44.4 44.4 44.4 44.4
Kiribati 45.7 45.7 45.7 43.2 43.2
Tuvalu 66.7 66.7 66.7 66.7 66.7
Serbia
Monaco
Moldova 14.2 13.6 13.1
Kyrgyz Republic 0.4 0.4 0.4
Armenia 2.1 2.1 2.3
Djibouti
South Sudan
Sint Maarten (Dutch part)
Azerbaijan 3.7 3.7 3.7
Kazakhstan 0.1 0.1 0.1
Slovenia 1.8 1.7 1.7
Eritrea 0.0 0.0
Bermuda
Curacao
Turkmenistan 0.1 0.1 0.1
Russian Federation 0.1 0.1 0.1
Iceland
Tajikistan 0.9 0.9 0.9
Slovak Republic 1.0 1.0
Montenegro
Aruba
Isle of Man
Ukraine 1.9 1.9 1.8
San Marino
Faeroe Islands
Greenland
St. Martin (French part)
Turks and Caicos Islands
Macedonia, FYR 2.2 2.1 2.0
Georgia 4.8 4.8 4.8
Andorra
Belarus 0.9 0.7 0.7
Macao SAR, China
Estonia 0.3 0.3 0.3
Luxembourg
Uzbekistan 0.9 0.9 0.9
Lithuania 0.7 0.7 0.6
Czech Republic 1.0 1.0
Liechtenstein
Croatia 2.0 2.1 2.1
Latvia 0.4 0.4 0.5
Belgium
Taiwan, China
Bosnia and Herzegovina 2.9 2.7 2.5

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