Country name 1990 1991 1992 1993 1994
Korea, Rep. 0.9 2.2 2.5 1.6 3.2
United States 3.7 4.7 9.0 9.1 10.2
Canada 6.0 8.3 11.7 13.8 15.2
Japan 8.5 11.1 9.8 8.8 11.8
New Zealand 10.7 17.5 23.3 24.0 23.8
Sweden 11.8 11.9 13.5 12.9 20.5
Costa Rica 13.9 10.3 17.8 14.6 9.5
Australia 17.1 21.0 29.2 30.8 30.5
Luxembourg 21.4 15.4 18.8 36.8 24.3
Norway 22.5 22.1 24.0 30.2 29.8
United Kingdom 23.4 21.6 26.6 32.5 33.9
Chile 27.2 34.3 70.3 65.8 73.4
Estonia 28.3 24.0 26.1 29.8 41.7
Denmark 31.3 34.3 28.6 26.7 32.4
France 43.5 41.9 36.3 34.9 37.9
Netherlands 44.3 39.2 40.1 46.4 44.2
Portugal 49.2 41.7 34.8 39.0 42.4
Turkey 50.3 48.8 49.7 51.4 50.5
Greece 55.8 54.3 56.8 56.9 57.1
Ireland 56.2 52.7 49.9 50.9 55.3
Spain 58.5 57.4 52.6 55.5 59.4
Belgium 68.4 64.5 61.0 58.9 62.6
Italy 70.5 69.0 57.7 59.4 62.7
Philippines
Bosnia and Herzegovina
Maldives
Botswana
Bahrain
Brazil
Nepal
Brunei Darussalam
Singapore
Bulgaria 52.3 60.5
Liechtenstein
Burkina Faso
Moldova
Burundi
Andorra
Cabo Verde
Samoa
Cambodia
Bolivia
Cameroon
Afghanistan
Aruba 13.8
Macedonia, FYR
Cayman Islands
Mauritania
Central African Republic
Morocco
Chad
Nicaragua
Bhutan
Panama 26.6 26.4 25.2 23.8
China
Qatar
Colombia
Senegal
Comoros
Solomon Islands
Congo, Dem. Rep.
Togo
Congo, Rep.
Austria 18.5
Armenia
Liberia
Cote d'Ivoire
Antigua and Barbuda
Croatia
Malawi
Cuba
Malta
Curacao
Mexico
Cyprus
Mongolia
Czech Republic 16.4 20.8
Myanmar
Bermuda
New Caledonia
Djibouti
Nigeria
Dominica
Pakistan
Dominican Republic
Paraguay
Ecuador
Azerbaijan
Egypt, Arab Rep.
Russian Federation 13.3 22.1 26.1
El Salvador
Sao Tome and Principe
Equatorial Guinea
Seychelles
Eritrea
Slovak Republic 42.9
Benin
South Africa
Ethiopia
Thailand
Faeroe Islands
Trinidad and Tobago 36.1 35.9 33.4 34.0
Fiji
Tuvalu
Finland 8.4 25.7
Zambia
Belize 51.6 60.0
Lesotho
French Polynesia
Libya
Gabon
Lithuania
Gambia, The
Macao SAR, China
Georgia
Madagascar
Germany 27.5 30.4 43.2 47.0
Malaysia
Ghana
Mali
Belarus
Marshall Islands
Greenland
Mauritius
Grenada
Micronesia, Fed. Sts.
Guam
Monaco
Guatemala
Montenegro
Guinea
Mozambique
Guinea-Bissau
Namibia
Guyana
Bahamas, The 40.1 43.1 42.7 47.8
Haiti
Angola
Honduras
Niger
Hong Kong SAR, China
Northern Mariana Islands
Hungary 19.8 34.5 37.6
Oman
Iceland 10.4 3.6 10.9 14.5
Palau
India
Papua New Guinea
Indonesia
Peru
Iran, Islamic Rep.
Poland 36.0 41.6 43.8
Iraq
Puerto Rico
Barbados 61.3 65.7 64.6
Romania 51.0
Isle of Man
Rwanda
Israel
San Marino
Bangladesh
Saudi Arabia
St. Kitts and Nevis
Serbia
St. Martin (French part)
Sierra Leone
Sudan
Sint Maarten (Dutch part)
Swaziland
Slovenia 50.0 51.4
Switzerland 15.6 23.1 22.5 34.6
Somalia
Tajikistan
South Sudan
Jamaica 27.8 31.6 33.2
Sri Lanka
Argentina
St. Lucia
Jordan
St. Vincent and the Grenadines
Kazakhstan
Suriname
Kenya
American Samoa
Kiribati
Syrian Arab Republic
Korea, Dem. Rep.
Tanzania 34.3
Ukraine
Timor-Leste
Algeria
Tonga
Turkmenistan
Tunisia
Vanuatu
Vietnam
Turks and Caicos Islands
West Bank and Gaza
Uganda
Albania
United Arab Emirates
Uruguay
Kosovo
Kuwait
Uzbekistan
Kyrgyz Republic
Venezuela, RB
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe

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