Country name 1989 1990 1991 1992 1993
Greenland 0.0 0.0 0.0 0.0 0.0
Djibouti 0.0 0.0 0.0 0.0 0.0
Oman 0.1 0.1 0.1 0.1 0.1
Kuwait 0.2 0.2 0.2 0.2 0.3
Suriname 0.4 0.4 0.4 0.4 0.4
Brunei Darussalam 0.6 0.4 0.4 0.4 0.4
Solomon Islands 0.4 0.4 0.4 0.4 0.4
Mauritania 0.4 0.4 0.4 0.4 0.4
Papua New Guinea 0.4 0.4 0.4 0.4 0.4
New Caledonia 0.5 0.5 0.5 0.5 0.4
United Arab Emirates 0.3 0.4 0.4 0.5 0.5
French Polynesia 0.5 0.5 0.5 0.5 0.5
Botswana 0.7 0.7 0.5 0.4 0.6
Bahamas, The 0.8 0.8 0.8 0.8 0.8
Cayman Islands 0.8 0.8 0.8 0.8 0.8
Namibia 0.8 0.8 0.8 0.8 0.8
Mongolia 0.9 0.9 0.9 0.9 0.9
Libya 1.0 1.0 1.0 1.0 1.0
Turks and Caicos Islands 1.1 1.1 1.1 1.1 1.1
Qatar 0.8 0.9 0.8 1.0 1.1
Gabon 1.1 1.1 1.1 1.1 1.1
Iceland 1.3 1.4 1.4 1.4 1.3
Congo, Rep. 1.5 1.4 1.4 1.4 1.4
Singapore 1.5 1.5 1.5 1.5 1.5
Somalia 1.6 1.6 1.6 1.6 1.6
Vanuatu 1.6 1.6 1.6 1.6 1.6
Saudi Arabia 1.5 1.6 1.7 1.7 1.7
Bolivia 1.9 1.9 1.9 2.0 2.0
Sao Tome and Principe 2.1 2.1 2.1 2.1 2.1
Faeroe Islands 2.1 2.1 2.1 2.1 2.1
Northern Mariana Islands 2.2 2.2 2.2
Palau 2.2 2.2 2.2
Seychelles 2.2 2.2 2.2 2.2 2.2
Angola 2.3 2.3 2.4 2.4 2.4
Norway 2.4 2.4 2.4 2.4 2.4
Guyana 2.4 2.4 2.4 2.4 2.4
Kiribati 2.5 2.5 2.5 2.5 2.5
Mali 1.7 1.7 1.7 1.8 2.5
Jordan 3.3 2.0 1.7 2.9 2.6
Belize 2.3 2.3 2.4 2.5 2.6
Colombia 3.1 3.0 2.7 2.8 2.6
Chad 2.6 2.6 2.6 2.7 2.7
Peru 2.7 2.7 2.8 2.8 2.8
Bahrain 2.9 2.9 2.9 2.8 2.8
Egypt, Arab Rep. 2.3 2.3 2.3 2.5 2.9
Bhutan 2.8 2.9 2.9 2.9 2.9
Venezuela, RB 3.2 3.2 3.2 2.9 2.9
Congo, Dem. Rep. 3.0 2.9 2.9 3.0 3.0
Malaysia 3.1 3.1 3.1 3.1 3.1
Yemen, Rep. 2.6 2.9 2.9 2.6 3.1
Central African Republic 3.1 3.1 3.1 3.1 3.1
Chile 4.1 3.8 3.6 3.3 3.1
Algeria 3.0 3.0 3.0 3.2 3.2
Turkmenistan 3.2 3.4
Lao PDR 3.4 3.5 3.5 3.5 3.5
Micronesia, Fed. Sts. 3.6 3.6 3.6
Puerto Rico 7.9 7.3 6.2 5.9 3.6
Liberia 4.2 3.6 3.6 3.6 3.6
Guam 3.7 3.7 3.7 3.7 3.7
Zambia 4.1 3.9 3.7 3.7 3.7
Andorra 2.1 4.3 4.3 4.3 4.3
St. Lucia 4.9 4.8 4.6 4.4 4.4
Mozambique 4.3 4.4 4.5 4.5 4.5
Costa Rica 5.1 5.1 5.1 4.9 4.5
Equatorial Guinea 4.6 4.6 4.6 4.6 4.6
Eritrea 4.9
Madagascar 4.7 4.7 4.7 4.8 5.0
Canada 5.0 5.0 5.0 5.0 5.0
Dominica 6.7 6.7 5.3 5.3 5.3
Marshall Islands 5.6 5.6 5.6
Ecuador 5.7 5.8 5.9 5.9 5.7
Paraguay 5.2 5.3 5.4 5.8 5.8
Grenada 5.9 5.9 5.9 5.9 5.9
American Samoa 5.0 5.0 5.0 6.0 6.0
Samoa 6.5 6.7 6.7 6.0 6.0
Australia 6.2 6.2 5.9 6.1 6.0
Hong Kong SAR, China 6.1 6.1 6.1 6.1 6.1
Sudan 5.4 5.4 5.4 5.4 6.2
Tajikistan 6.1 6.2
Brazil 6.0 6.1 6.2 6.2 6.3
Panama 6.6 6.7 6.7 6.7 6.7
Sierra Leone 6.7 6.7 6.7 6.7 6.7
Sweden 6.9 6.9 6.8 6.7 6.8
Kyrgyz Republic 6.9 7.0
Uruguay 7.2 7.2 7.2 7.3 7.3
New Zealand 9.6 10.0 8.9 7.9 7.3
Finland 7.4 7.4 7.6 7.5 7.5
Trinidad and Tobago 7.0 7.0 7.8 7.8 7.8
Zimbabwe 7.4 7.5 7.6 7.7 7.8
Russian Federation 8.1 7.9
Timor-Leste 6.7 7.4 8.1 8.1 8.4
Kenya 9.3 8.8 9.0 9.3 8.9
Antigua and Barbuda 9.1 9.1 9.1 9.1 9.1
Cote d'Ivoire 7.6 7.6 7.7 8.2 9.1
Guinea-Bissau 8.5 8.9 8.9 8.9 9.6
Argentina 9.7 9.7 9.7 9.8 9.8
Fiji 8.2 8.8 9.4 9.9 9.9
Slovenia 9.9 9.9
Ethiopia 9.9 9.8 9.7 9.7 10.0
Maldives 10.0 10.0 10.0 10.0 10.0
Indonesia 11.5 11.2 10.0 10.0 10.0
Tanzania 10.2 10.2 10.2 9.9 10.0
Cabo Verde 9.9 10.2 10.2 10.2 10.2
Niger 7.6 8.7 9.5 10.3 10.3
Swaziland 11.2 10.5 10.6 10.4 10.3
Switzerland 10.3 10.2 10.3 10.3 10.4
Uzbekistan 10.5 10.5
Iran, Islamic Rep. 9.5 9.3 10.2 10.4 10.6
Lesotho 9.9 10.4 10.5 10.9 10.9
South Africa 10.5 10.6 10.6 10.9 11.1
Aruba 11.1 11.1 11.1 11.1 11.1
Nicaragua 10.8 10.8 10.8 11.0 11.2
Guinea 11.7 11.6 11.5 11.4 11.3
Virgin Islands (U.S.) 11.4 11.4 11.4 11.4 11.4
Georgia 11.4 11.4
Mexico 10.6 11.2 11.5 11.6 11.6
Cyprus 11.3 11.4 11.5 11.6 11.8
Afghanistan 12.1 12.1 12.1 12.1 12.0
Ghana 11.4 11.9 12.3 12.3 12.3
Guatemala 12.1 12.1 12.1 12.1 12.4
Burkina Faso 12.9 12.8 12.7 12.6 12.5
Cameroon 12.6 12.6 12.6 12.6 12.6
Iraq 11.4 11.4 12.3 12.1 12.8
St. Vincent and the Grenadines 10.3 10.3 10.3 10.3 12.8
Japan 13.1 13.1 13.0 12.9 12.8
China 13.0 13.2 13.3 13.1 12.9
Kazakhstan 13.0 13.0
Sri Lanka 14.4 14.4 14.4 14.4 14.0
Benin 14.4 14.3 14.4 14.5 14.6
Myanmar 14.6 14.6 14.6 14.6 14.7
Ireland 15.3 15.1 14.9 14.6 14.8
Honduras 12.9 13.1 13.3 13.5 15.0
Armenia 14.9 15.2
Senegal 16.1 16.1 15.4 15.8 15.7
Gambia, The 17.9 18.5 19.4 16.0 15.9
Israel 15.6 15.9 16.0 16.0 16.0
Jamaica 11.1 11.0 11.6 12.6 16.1
Nepal 16.2 16.2 16.3 16.3 16.3
San Marino 16.7 16.7 16.7 16.7 16.7
Bosnia and Herzegovina 16.7 16.7
Vietnam 16.6 16.4 16.5 16.9 16.9
Austria 17.7 17.3 17.5 17.4 17.2
West Bank and Gaza 18.4 18.1 17.6 17.3 17.3
Lebanon 18.0 17.9 17.7 17.6 17.6
Philippines 18.3 18.4 18.4 18.2 18.1
Dominican Republic 20.6 18.6 18.6 18.6 18.6
Croatia 21.7 19.0
Korea, Dem. Rep. 19.0 19.0 19.1 19.1 19.1
Tunisia 18.7 18.7 18.7 18.7 19.2
Korea, Rep. 20.5 20.2 20.0 19.7 19.4
United States 20.3 20.3 20.3 20.1 20.0
Bermuda 20.0 20.0 20.0 20.0 20.0
Morocco 18.9 19.5 19.5 20.0 20.2
Azerbaijan 20.5 20.6
Cambodia 20.9 20.9 21.0 21.0 21.1
Albania 21.2 21.1 21.1 21.1 21.1
Greece 22.4 22.5 22.2 22.2 22.0
Tonga 22.2 22.2 22.2 22.2 22.2
Macedonia, FYR 23.8 23.9
Malawi 23.3 23.9 24.9 24.4 24.4
Portugal 26.0 25.6 25.2 24.9 24.5
Liechtenstein 25.0 25.0 25.0 25.0 25.0
Estonia 26.3 25.1
United Kingdom 27.7 27.4 27.1 27.1 25.2
Uganda 25.0 25.0 25.1 25.2 25.2
Syrian Arab Republic 26.1 26.6 26.1 25.9 26.0
Netherlands 25.9 26.0 26.1 26.3 26.3
Pakistan 26.7 26.6 26.6 26.7 27.1
Latvia 27.1 27.1
El Salvador 26.1 26.5 27.3 28.4 28.3
Haiti 28.3 28.3 28.3 28.3 28.3
Italy 30.6 30.6 30.3 29.8 29.1
Spain 31.1 30.7 30.6 30.4 30.0
Belarus 30.0 30.1
St. Kitts and Nevis 30.8 30.8 30.8 30.8 30.8
Turkey 32.3 32.0 32.0 31.9 31.8
Slovak Republic 32.5
France 32.3 32.5 32.6 32.6 32.9
Nigeria 30.8 30.9 32.9 33.0 33.0
Thailand 34.4 34.2 34.3 33.7 33.4
Germany 34.2 34.3 33.1 32.8 33.4
Cuba 31.7 31.6 32.0 33.3 33.8
Isle of Man 35.6 35.3 34.9 34.6 34.2
Rwanda 34.5 35.7 35.7 35.7 34.5
Burundi 36.2 36.2 36.2 36.2 36.2
Bulgaria 34.8 34.9 34.9 36.6 36.7
Barbados 37.2 37.2 37.2 37.2 37.2
Malta 37.5 37.5 37.5 37.5 37.5
Togo 37.7 38.6 38.6 38.6 40.4
Romania 41.2 41.2 41.1 40.8 40.7
Comoros 41.9 41.9 41.9 41.9 41.9
Czech Republic 43.1
Lithuania 46.0 45.1
Mauritius 48.8 48.3 47.8 47.3 46.3
Poland 47.1 47.0 46.9 46.8 46.7
Hungary 56.2 56.2 56.3 52.8 52.8
Moldova 52.8 52.9
India 55.0 55.0 54.9 54.7 54.7
Ukraine 57.6 57.5
Denmark 60.0 60.4 60.1 59.8 59.7
Bangladesh 73.4 72.6 72.1 66.1 65.3
Serbia
Macao SAR, China
Curacao
Tuvalu
Luxembourg
South Sudan
Belgium
Sint Maarten (Dutch part)
Monaco
Kosovo
Montenegro
St. Martin (French part)

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