Country name 1996 1997 1998 1999 2000
China 3
Moldova 7
Vietnam 8
Czech Republic 11
Kyrgyz Republic 12
Mexico 12
Indonesia 14
Jamaica 14
Timor-Leste 17
Chad 17
Egypt, Arab Rep. 18 15 14
Myanmar 19
Bangladesh 20 18
Jordan 20
Mozambique 25
Madagascar 28
Senegal 35
Pakistan 38
Yemen, Rep. 40
Papua New Guinea
Benin 28
Azerbaijan
Bermuda
St. Vincent and the Grenadines
Bhutan
Australia
Bolivia 27
Serbia
Bosnia and Herzegovina
Turkmenistan 13
Botswana
Mauritius
Brazil 11
Niger 18
Brunei Darussalam
Romania 6
Bulgaria 30
Somalia
Burkina Faso 30
Tanzania 26 22
Burundi
Uruguay
Cabo Verde 14
Mali 28
Cambodia 33
Monaco
Cameroon 21
Netherlands
Canada
Oman
Cayman Islands
Poland
Central African Republic
San Marino
Belgium
Sint Maarten (Dutch part)
Chile
Sri Lanka 18
Andorra
Sweden
Colombia 10
Tonga
Comoros 36
Ukraine 18
Congo, Dem. Rep.
Macao SAR, China
Congo, Rep.
Malaysia
Costa Rica
Marshall Islands
Cote d'Ivoire 29
Micronesia, Fed. Sts.
Croatia
Montenegro
Cuba
Namibia 24
Curacao
New Zealand
Cyprus
Northern Mariana Islands
American Samoa
Palau
Denmark
Peru 18 14
Djibouti
Puerto Rico 4
Dominica
Rwanda 36
Dominican Republic 14 14
Saudi Arabia
Ecuador 10
Sierra Leone
Belarus
Slovenia
El Salvador 14
South Sudan
Equatorial Guinea
St. Lucia
Eritrea
Suriname
Estonia
Syrian Arab Republic
Ethiopia 37
Antigua and Barbuda
Faroe Islands
Tunisia
Fiji
Tuvalu
Finland
United Kingdom
France
Belize 21
French Polynesia
Macedonia, FYR
Gabon 28
Malawi 30
Gambia, The
Maldives
Georgia 24
Malta
Germany
Mauritania
Ghana 35
Austria
Greece
Albania
Greenland
Mongolia 10
Grenada
Morocco
Guam
Aruba
Guatemala 27
Nepal 32
Guinea 25
New Caledonia
Guinea-Bissau
Nicaragua 18
Guyana
Nigeria 20
Haiti 40
Norway
Honduras 18
Armenia 18
Hong Kong SAR, China
Panama
Hungary
Paraguay 19 17
Iceland
Philippines 25
India 16
Portugal
Barbados
Qatar
Iran, Islamic Rep.
Russian Federation
Iraq
Samoa
Ireland
Sao Tome and Principe
Isle of Man
Argentina
Israel
Seychelles
Italy 12
Singapore
Bahrain
Slovak Republic
Japan
Solomon Islands
Bahamas, The
South Africa 17
Kazakhstan 12
Spain
Kenya 28
St. Kitts and Nevis
Kiribati
St. Martin (French part)
Korea, Dem. People’s Rep.
Sudan
Korea, Rep.
Swaziland
Kuwait
Switzerland
Algeria
Tajikistan
Virgin Islands (U.S.)
Thailand
Vanuatu
Togo 35
Angola
Trinidad and Tobago
Lesotho
Turkey 14
Liberia
Turks and Caicos Islands
Libya
Uganda
Liechtenstein
United Arab Emirates
Lithuania
United States
Luxembourg
Uzbekistan 14
Afghanistan
Venezuela, RB 19
Lao PDR 40
Zambia 25
West Bank and Gaza
Latvia
Lebanon
Zimbabwe 17

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