Country name 1990 1991 1992 1993 1994
Suriname 0.6 0.6 0.6 0.6 0.6
Greenland 0.7 0.7 0.7 0.7 0.7
Turks and Caicos Islands 1.1 1.1 1.1 1.1 1.1
Bahamas, The 1.2 1.2 1.2 1.2 1.2
Papua New Guinea 1.9 1.9 2.0 2.0 2.0
Brunei Darussalam 2.1 2.1 2.1 2.1 2.1
Faeroe Islands 2.1 2.1 2.1 2.1 2.1
Solomon Islands 2.4 2.5 2.5 2.5 2.6
Egypt, Arab Rep. 2.7 2.7 2.9 3.3 3.3
Norway 2.7 2.8 2.7 2.8 2.8
Singapore 3.0 1.8 1.8 1.8 1.8
United Arab Emirates 3.4 3.7 4.1 4.2 4.4
Oman 3.5 3.5 3.5 3.5 3.5
Qatar 5.3 5.3 5.5 5.6 5.6
Belize 5.5 5.7 6.0 6.3 6.3
Lao PDR 7.2 7.2 7.2 7.2 7.3
Canada 7.5 7.5 7.5 7.5 7.5
Finland 7.9 8.0 7.9 7.8 7.9
Kuwait 7.9 7.9 7.9 8.0 8.0
Central African Republic 8.0 8.0 8.1 8.1 8.1
Hong Kong SAR, China 8.1 8.1 8.1 8.1 8.1
Sweden 8.3 8.2 8.1 8.2 8.2
Seychelles 8.7 8.7 8.7 8.7 8.7
Libya 8.8 8.8 8.8 8.8 8.8
Guyana 8.8 8.8 8.8 8.8 8.8
Bhutan 9.7 10.8 10.8 10.8 12.8
Aruba 11.1 11.1 11.1 11.1 11.1
Cayman Islands 11.3 11.3 11.3 11.3 11.3
Congo, Dem. Rep. 11.5 11.5 11.5 11.5 11.5
Bahrain 11.6 11.6 12.7 12.7 12.7
French Polynesia 11.7 11.7 11.7 11.7 11.7
Jordan 11.8 11.5 12.7 12.4 12.1
Equatorial Guinea 11.9 11.9 11.9 11.9 11.9
Vanuatu 12.5 12.6 12.9 13.0 13.1
New Caledonia 12.7 12.5 12.6 12.6 12.6
American Samoa 15.0 15.0 16.0 16.0 16.0
Trinidad and Tobago 15.0 15.8 15.8 15.8 15.8
Japan 15.6 15.5 15.4 15.3 15.2
Myanmar 16.0 15.9 15.9 16.0 15.9
Algeria 16.2 16.2 16.3 16.3 16.6
San Marino 16.7 16.7 16.7 16.7 16.7
Cabo Verde 16.9 16.9 17.1 17.1 17.1
Peru 17.1 17.1 17.2 17.2 16.9
Cyprus 17.4 17.2 17.3 17.2 15.5
Iceland 19.0 19.0 19.0 19.0 19.0
Samoa 19.1 19.1 18.4 18.4 18.0
Cameroon 19.4 19.4 19.4 19.4 19.4
Bermuda 20.0 20.0 20.0 20.0 20.0
Gabon 20.0 20.0 20.0 20.0 20.0
Benin 20.1 20.2 20.4 20.6 21.3
Antigua and Barbuda 20.5 20.5 20.5 20.5 20.5
Vietnam 20.7 20.7 21.6 21.8 21.9
Malaysia 20.8 20.9 21.0 21.2 21.5
Korea, Dem. Rep. 20.9 21.0 21.0 21.2 22.0
Iraq 21.1 22.0 21.8 22.6 21.4
Chile 21.4 21.2 20.9 20.8 20.8
Timor-Leste 21.4 22.2 22.2 22.5 22.9
Fiji 22.4 23.2 23.8 23.8 23.7
Korea, Rep. 22.6 22.4 22.1 22.0 21.7
Dominica 24.0 24.0 24.0 24.0 24.0
Venezuela, RB 24.8 24.8 24.5 24.5 24.5
Indonesia 24.9 22.9 22.8 23.2 23.2
Cambodia 25.2 25.5 25.6 25.7 25.9
Liberia 25.9 26.0 26.0 26.0 26.0
Niger 26.1 26.9 27.6 27.6 27.6
Mali 26.3 26.3 26.4 27.2 28.9
Maldives 26.7 26.7 26.7 26.7 26.7
Israel 26.8 26.7 26.7 26.7 26.8
Zambia 28.0 28.0 28.3 28.5 28.9
Ecuador 28.3 28.6 28.7 28.8 29.4
Panama 28.6 28.7 28.9 28.9 28.7
Virgin Islands (U.S.) 28.6 28.6 28.6 28.6 25.7
Brazil 28.9 29.3 29.5 29.8 30.1
Nepal 29.0 29.0 29.1 29.2 29.2
Honduras 29.7 29.9 30.0 31.7 31.5
St. Vincent and the Grenadines 30.8 30.8 30.8 30.8 30.8
Congo, Rep. 30.8 30.8 30.8 30.8 30.8
Bolivia 32.7 33.0 33.1 33.4 33.6
Nicaragua 33.4 33.7 34.2 34.8 35.1
Zimbabwe 33.6 34.1 34.5 34.9 35.5
Pakistan 33.6 33.7 33.8 34.2 34.4
St. Lucia 34.3 32.5 32.3 32.3 32.0
Burkina Faso 35.0 34.9 34.8 34.7 34.5
Guam 37.0 37.0 37.0 37.0 37.0
Sri Lanka 37.3 37.3 37.4 37.0 37.0
Philippines 37.4 37.4 37.3 37.1 36.9
Iran, Islamic Rep. 37.8 38.7 39.2 39.4 39.4
Grenada 38.2 35.3 35.3 35.3 35.3
Chad 38.4 38.4 38.4 38.4 38.5
Tanzania 38.4 38.4 38.2 38.3 38.3
Mauritania 38.5 38.5 38.5 38.5 38.5
Sierra Leone 39.1 39.1 39.0 38.9 38.9
Guatemala 40.0 40.0 40.0 41.8 42.1
Andorra 40.4 40.4 40.4 40.4 40.4
Switzerland 40.6 40.5 40.4 40.3 40.1
Malta 40.6 40.6 40.6 40.6 40.6
Colombia 40.6 40.5 40.5 40.5 40.4
Albania 40.9 41.1 41.1 41.1 41.1
Thailand 41.9 42.1 41.8 41.6 41.3
Austria 42.4 42.7 42.4 41.9 41.8
Paraguay 43.2 43.3 43.7 43.7 40.4
Portugal 43.3 42.8 42.4 43.3 43.2
Sao Tome and Principe 43.8 43.8 43.8 43.8 45.8
Liechtenstein 43.8 43.8 43.8 43.8 43.8
Jamaica 44.0 44.0 44.0 46.4 46.2
Barbados 44.2 44.2 44.2 44.2 44.2
Tonga 44.4 44.4 44.4 44.4 44.4
Malawi 44.7 45.8 45.3 45.3 43.2
Yemen, Rep. 44.7 44.8 44.5 44.9 44.9
Costa Rica 45.1 43.8 42.3 41.4 41.0
Botswana 45.9 45.7 45.6 45.8 45.9
Angola 46.0 46.1 46.1 46.1 46.1
Senegal 46.1 45.2 45.6 45.5 45.6
St. Kitts and Nevis 46.2 46.2 46.2 46.2 38.5
Argentina 46.6 46.6 46.7 46.7 46.8
United States 46.6 46.6 46.4 46.2 46.0
Namibia 47.0 47.0 47.0 47.0 47.1
Kenya 47.0 47.2 47.6 47.2 47.8
Kiribati 48.1 48.1 48.1 45.7 45.7
Puerto Rico 49.0 47.4 46.2 35.1 34.8
Ethiopia 51.1 51.0 51.0 30.5 30.5
Guinea-Bissau 51.5 51.5 51.5 52.2 52.5
Turkey 51.6 52.1 51.8 51.9 52.2
Germany 51.6 49.1 48.6 49.2 49.6
Sudan 51.7 51.8 52.2 53.3 53.9
Dominican Republic 52.8 53.2 53.8 53.8 53.8
China 53.9 54.5 54.8 55.2 55.7
Mexico 54.1 54.6 54.6 54.6 54.6
Mauritius 54.7 54.2 53.7 52.7 51.7
Ghana 55.4 55.9 55.9 56.3 56.7
Tunisia 55.6 59.3 60.2 60.6 59.8
Bulgaria 55.7 55.7 55.6 55.3 55.7
France 55.9 55.7 55.5 55.3 55.2
Djibouti 56.0 57.6 59.1 60.4 60.4
Italy 57.3 54.6 54.3 54.1 53.4
Saudi Arabia 57.4 57.5 57.6 80.8 80.8
Guinea 57.5 57.2 57.2 57.2 57.2
Gambia, The 57.9 58.5 55.1 55.0 55.0
Haiti 57.9 57.9 57.1 57.1 57.9
Afghanistan 58.3 58.3 58.3 58.1 57.9
Togo 58.7 58.7 58.7 60.7 60.7
Lebanon 59.1 59.2 59.2 59.2 59.3
Netherlands 59.4 59.0 58.8 58.9 58.4
Cote d'Ivoire 59.5 59.6 60.4 61.3 61.9
Uganda 59.9 60.2 60.3 60.5 60.6
Australia 60.5 60.3 60.7 59.9 61.1
Mozambique 60.6 60.7 60.7 60.7 60.8
Spain 61.0 60.8 60.6 60.1 60.4
India 61.0 61.1 61.0 61.0 61.0
Poland 61.4 61.2 61.2 61.1 61.1
New Zealand 61.5 61.2 60.6 60.5 57.4
West Bank and Gaza 62.3 61.8 61.5 61.5 61.5
Madagascar 62.5 62.5 62.5 62.7 62.7
Cuba 62.8 62.9 63.1 62.7 62.3
Romania 64.4 64.5 64.5 64.5 64.5
Denmark 65.8 65.3 65.0 64.6 63.4
Tuvalu 66.7 66.7 66.7 66.7 66.7
Nigeria 67.6 70.2 70.8 71.4 72.7
Morocco 68.0 68.0 68.6 68.8 69.4
El Salvador 68.1 68.9 70.0 70.0 70.2
Comoros 68.8 71.5 71.5 71.5 71.5
Isle of Man 69.5 70.2 70.9 71.6 72.5
Somalia 70.2 70.2 70.2 70.2 70.2
Greece 71.5 71.1 71.1 71.1 71.1
Swaziland 72.0 71.3 71.1 71.0 71.0
Hungary 72.0 71.9 68.3 68.2 68.1
Syrian Arab Republic 73.4 73.5 74.1 74.2 75.0
United Kingdom 75.2 75.0 74.7 72.5 72.0
Rwanda 76.2 76.1 74.5 70.1 60.2
Lesotho 76.4 76.5 76.9 76.9 76.7
South Africa 78.8 79.1 79.5 79.9 80.2
Bangladesh 79.8 79.3 73.4 72.6 71.9
Mongolia 80.9 81.2 79.6 76.7 76.3
Ireland 82.0 64.5 64.1 63.9 63.7
Burundi 82.2 82.2 82.6 82.7 80.7
Uruguay 84.7 84.7 84.8 84.8 84.8
Kyrgyz Republic 52.6 52.8 54.1
Monaco
Northern Mariana Islands 8.7 8.7 8.7 8.7
Croatia 43.0 40.6 41.4
St. Martin (French part)
Kazakhstan 82.0 82.1 82.1
Kosovo
Curacao
Macedonia, FYR 51.4 51.0 51.0
Micronesia, Fed. Sts. 32.1 32.1 32.1 32.1
Macao SAR, China
Slovenia 28.0 27.8 27.3
Lithuania 54.1 53.2 49.9
Marshall Islands 66.7 66.7 66.7 66.7
Serbia
Czech Republic 55.4 55.4
South Sudan
Russian Federation 13.5 13.4 13.3
Uzbekistan 65.2 65.0 65.0
Turkmenistan 75.2 75.4 75.4
Belgium
Moldova 77.9 77.6 77.6
Latvia 40.7 40.4 40.8
Ukraine 72.4 72.3 72.3
Eritrea 73.3 73.3
Slovak Republic 50.9 50.9
Georgia 46.5 45.0 44.6
Montenegro
Palau 10.9 10.9 10.9 10.9
Bosnia and Herzegovina 43.1 42.9 42.7
Sint Maarten (Dutch part)
Belarus 46.3 46.1 46.1
Luxembourg
Tajikistan 32.1 32.5 31.9
Azerbaijan 53.4 53.6 53.9
Estonia 32.4 31.1 26.0
Armenia 41.1 41.5 42.1

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