Country name 2006 2007 2008 2009 2010
Afghanistan
Albania 3
Algeria
American Samoa
Andorra
Angola 29
Antigua and Barbuda
Argentina
Armenia 5
Aruba
Australia
Austria
Azerbaijan 6
Bahamas, The
Bahrain
Bangladesh 33
Barbados
Belarus
Belgium
Belize
Benin 21
Bermuda
Bhutan
Bolivia 18
Bosnia and Herzegovina
Botswana
Brazil
Brunei Darussalam
Bulgaria
Burkina Faso 24
Burundi 10
Cabo Verde
Cambodia 8
Cameroon
Canada
Cayman Islands
Central African Republic
Chad
Chile
China
Colombia 20
Comoros
Congo, Dem. Rep. 24
Congo, Rep.
Costa Rica
Cote d'Ivoire
Croatia 4 4 4 4
Cuba
Curacao
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic 21
Ecuador
Egypt, Arab Rep. 10
El Salvador 23
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Faroe Islands
Fiji
Finland
France
French Polynesia
Gabon
Gambia, The
Georgia
Germany
Ghana 13
Greece
Greenland
Grenada
Guam
Guatemala 22
Guinea
Guinea-Bissau
Guyana 18
Haiti 14
Honduras 22
Hong Kong SAR, China
Hungary
Iceland
India 16
Indonesia 9
Iran, Islamic Rep.
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica 14
Japan
Jordan 4 5
Kazakhstan 7
Kenya 18
Kiribati
Korea, Dem. People’s Rep.
Korea, Rep.
Kuwait
Kyrgyz Republic
Lao PDR
Latvia
Lebanon
Lesotho 20
Liberia 32 38
Libya
Liechtenstein
Lithuania
Luxembourg
Macao SAR, China
Macedonia, FYR
Madagascar 32
Malawi 26
Malaysia
Maldives 2
Mali 36
Malta
Marshall Islands
Mauritania
Mauritius
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia 15
Nepal 19
Netherlands
New Caledonia
New Zealand
Nicaragua 25
Niger 39
Nigeria 23 26
Northern Mariana Islands
Norway
Oman
Pakistan 9
Palau
Panama
Papua New Guinea
Paraguay 12
Peru 12 14 14 14
Philippines 10
Poland
Portugal
Puerto Rico
Qatar
Romania
Russian Federation
Rwanda 6 6
Samoa
San Marino
Sao Tome and Principe 23
Saudi Arabia
Senegal 18 18
Serbia
Seychelles
Sierra Leone 34
Singapore
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain
Sri Lanka
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland 23
Sweden
Switzerland
Syrian Arab Republic
Tajikistan
Tanzania 23 23
Thailand
Timor-Leste 7
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 25 21
Ukraine 4
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 28
Zimbabwe 21

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