Country name 1990 1991 1992 1993 1994
Afghanistan
Albania 15.9 34.2 32.8 34.7
Algeria 16.9 15.4 14.5 13.8 15.3
American Samoa
Andorra
Angola 14.1 27.6 31.7 34.6 7.7
Antigua and Barbuda
Argentina 19.2 19.9 20.0 15.3 17.4
Armenia 10.9 20.7
Aruba
Australia
Austria
Azerbaijan 12.7 9.4
Bahamas, The
Bahrain
Bangladesh 37.6 38.5 37.4 35.2 37.2
Barbados
Belarus 14.2 12.6
Belgium
Belize 10.0 13.7 19.1 16.0 17.8
Benin 39.2 37.3 37.2 26.3 40.6
Bermuda
Bhutan 0.0 39.2 32.9 39.9 27.8
Bolivia 29.5 26.0 30.5 25.4 28.4
Bosnia and Herzegovina
Botswana 17.6 35.4 19.3 24.8 14.4
Brazil 15.5 17.6 17.7 20.2 19.7
Brunei Darussalam
Bulgaria 7.2 17.0 13.9 14.6 14.7
Burkina Faso 27.9 37.9 41.6 33.0 32.8
Burundi 40.3 39.4 41.1 45.4 49.8
Cabo Verde 42.6 34.7 34.3 30.9 26.7
Cambodia 0.0 0.0 0.0 39.9 31.0
Cameroon 15.3 20.4 21.0 18.2 31.0
Canada
Cayman Islands
Central African Republic 37.6 27.8 37.1 49.6 0.0
Chad 31.0 48.8 46.7 37.1 38.2
Chile
China 27.9 23.6 22.2 19.7 21.1
Colombia 18.9 18.2 18.0 17.3 20.1
Comoros 29.8 42.6 44.0 39.8 37.6
Congo, Dem. Rep. 23.8 34.5 7.3 0.0 0.0
Congo, Rep. 17.2 0.0 18.0 0.0 31.7
Costa Rica 17.6 7.0 18.5 16.3 17.3
Cote d'Ivoire 20.0 21.6 19.2 20.1 29.9
Croatia
Cuba
Curacao
Cyprus
Czech Republic
Denmark
Djibouti 39.7 31.1 39.6 37.0 20.7
Dominica 25.2 21.3 23.6 20.3 0.0
Dominican Republic 24.9 22.2 17.3 23.4 28.1
Ecuador 22.8 21.3 21.4 15.8 21.9
Egypt, Arab Rep. 28.6 24.1 26.0 30.1 32.8
El Salvador 35.6 20.4 22.2 23.6 24.2
Equatorial Guinea
Eritrea 26.6
Estonia
Ethiopia 32.7 21.4 40.6 40.6 40.3
Faeroe Islands
Fiji 24.8 11.1 21.3 20.5 0.0
Finland
France
French Polynesia
Gabon 19.0 16.9 18.2 18.3 16.2
Gambia, The 42.0 19.6 49.5 39.6 41.6
Georgia 3.2 4.3 14.1
Germany
Ghana 35.4 37.4 38.6 34.3 33.3
Greece
Greenland
Grenada 20.2 37.7 31.8 21.7 17.3
Guam
Guatemala 23.1 22.3 21.2 24.2 22.3
Guinea 30.5 24.5 31.3 36.4 32.7
Guinea-Bissau 28.1 24.2 36.4 33.3 2.9
Guyana 39.7 33.3 37.7 34.3 39.7
Haiti 38.9 39.5 0.0 0.0 0.0
Honduras 22.9 25.4 24.6 29.1 21.3
Hong Kong SAR, China
Hungary 12.3 13.3 15.0 14.3 11.2
Iceland
India 28.7 25.8 29.7 26.6 27.1
Indonesia 23.6 22.2 21.9 23.5 23.1
Iran, Islamic Rep. 13.5 7.5 11.6 20.8 3.9
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica 20.1 20.4 22.8 20.0 25.9
Japan
Jordan 22.2 28.4 22.5 20.6 22.3
Kazakhstan 11.1 13.5 14.1
Kenya 29.6 34.9 34.7 31.8 36.4
Kiribati
Korea, Dem. Rep.
Korea, Rep.
Kosovo 0.0 0.0 0.0 0.0 0.0
Kuwait
Kyrgyz Republic 4.2 21.9 33.2
Lao PDR 39.9 36.9 39.8 39.4 39.7
Latvia
Lebanon 0.0 21.4 21.4 19.1 18.5
Lesotho 25.1 25.5 31.5 31.4 22.5
Liberia 24.8 0.0 0.0 0.0 0.0
Libya
Liechtenstein
Lithuania
Luxembourg
Macao SAR, China
Macedonia, FYR 15.6 25.1
Madagascar 36.4 34.3 36.5 36.7 37.8
Malawi 39.5 37.0 40.4 39.9 27.7
Malaysia 22.9 15.2 21.9 12.5 24.8
Maldives 37.3 0.0 28.1 17.7 20.3
Mali 29.9 41.3 30.3 33.9 37.3
Malta
Marshall Islands
Mauritania 31.2 25.6 31.5 31.0 28.0
Mauritius 17.9 19.7 19.8 17.6 20.4
Mexico 15.6 16.8 15.5 14.5 15.3
Micronesia, Fed. Sts.
Moldova 8.2 15.8 17.2
Monaco
Mongolia 10.2 35.2 38.8
Montenegro
Morocco 24.1 23.1 17.9 22.0 19.7
Mozambique 34.8 31.8 41.6 38.1 39.7
Myanmar 20.0 16.7 19.2 0.0 0.0
Namibia
Nepal 38.5 38.3 39.1 39.7 38.4
Netherlands
New Caledonia
New Zealand
Nicaragua 12.4 29.0 25.2 25.4 31.3
Niger 31.9 31.3 28.5 34.0 36.0
Nigeria 22.4 22.3 23.1 27.6 21.0
Northern Mariana Islands
Norway
Oman
Pakistan 22.9 21.8 21.9 24.4 24.1
Palau
Panama 8.3 0.0 20.6 21.0 17.2
Papua New Guinea 17.5 25.4 29.7 23.6 18.2
Paraguay 34.4 0.0 22.2 28.0 22.0
Peru 9.8 24.7 20.3 21.3 18.6
Philippines 24.4 25.2 19.9 23.6 23.5
Poland
Portugal
Puerto Rico
Qatar
Romania 25.5 9.1 14.4 14.9 13.7
Russian Federation
Rwanda 33.9 41.7 42.2 38.3 0.0
Samoa 39.8 32.1 29.2 38.9 0.0
San Marino
Sao Tome and Principe 35.7 49.9 38.0 0.0 49.8
Saudi Arabia
Senegal 33.4 28.8 35.8 28.1 33.1
Serbia 16.0 14.4 0.0 0.0 0.0
Seychelles 20.3 17.9 13.0 14.1 13.3
Sierra Leone 24.4 48.3 39.2 39.6 43.5
Singapore
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 17.7 41.6 39.8 39.5 14.7
Somalia 46.1 0.0 0.0 0.0 0.0
South Africa 0.0
South Sudan
Spain
Sri Lanka 36.7 34.7 31.9 33.3 30.6
St. Kitts and Nevis
St. Lucia 24.1 23.6 30.1 19.8 20.9
St. Martin (French part)
St. Vincent and the Grenadines 20.7 20.3 25.8 21.4 20.0
Sudan 49.9 36.1 19.9 0.0 0.0
Suriname
Swaziland 0.0 34.8 17.7 24.2 50.0
Sweden
Switzerland
Syrian Arab Republic 23.0 25.3 22.3 21.7 0.0
Tajikistan 30.3 14.1 7.2
Tanzania 35.4 39.5 39.6 37.9 37.6
Thailand 25.6 24.7 20.5 22.4 20.0
Timor-Leste
Togo 39.5 39.7 49.0 0.0 0.0
Tonga 39.7 39.3 0.0 39.1 0.0
Trinidad and Tobago
Tunisia 18.5 17.9 18.3 18.1 18.5
Turkey 17.0 17.6 14.3 20.3 13.7
Turkmenistan 18.4 12.3
Turks and Caicos Islands
Tuvalu
Uganda 36.5 35.1 35.1 34.3 38.7
Ukraine 3.6 6.9 15.6
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan 5.5 10.6 7.8
Vanuatu 0.0 39.6 39.5 25.2 0.0
Venezuela, RB 15.6 15.5 17.4 18.8 15.8
Vietnam 9.6 17.7 29.0 31.1 33.9
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep. 28.6 33.1 30.9 31.6 27.6
Zambia 20.7 40.2 39.9 38.8 33.9
Zimbabwe 23.1 21.6 24.1 29.2 22.6

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