Country name 2010 2011 2012 2013 2014
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia 14
Aruba
Australia
Austria
Azerbaijan
Bahamas, The
Bahrain
Bangladesh 14
Barbados
Belarus 7
Belgium
Belize 16
Benin 33
Bermuda
Bhutan 12
Bolivia
Bosnia and Herzegovina 9
Botswana
Brazil
Brunei Darussalam
Bulgaria
Burkina Faso 25
Burundi 32
Cabo Verde
Cambodia 17
Cameroon 24
Canada
Cayman Islands
Central African Republic 27
Chad 28
Chile
China
Colombia 8
Comoros 32
Congo, Dem. Rep. 24 28
Congo, Rep. 18
Costa Rica 8
Cote d'Ivoire 27
Croatia
Cuba 9
Curacao
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic 11
Ecuador
Egypt, Arab Rep.
El Salvador
Equatorial Guinea 34
Eritrea
Estonia
Ethiopia 26
Faeroe Islands
Fiji
Finland
France
French Polynesia
Gabon 27
Gambia, The 22
Georgia 12
Germany
Ghana 26 37
Greece
Greenland
Grenada
Guam
Guatemala
Guinea 24
Guinea-Bissau 6
Guyana
Haiti 35
Honduras 11
Hong Kong SAR, China
Hungary
Iceland
India
Indonesia 11
Iran, Islamic Rep. 6
Iraq 8
Ireland
Isle of Man
Israel
Italy
Jamaica
Japan
Jordan 12
Kazakhstan 12
Kenya
Kiribati
Korea, Dem. Rep. 15
Korea, Rep.
Kosovo
Kuwait
Kyrgyz Republic 18
Lao PDR 20
Latvia
Lebanon
Lesotho 23
Liberia 31
Libya
Liechtenstein
Lithuania
Luxembourg
Macao SAR, China
Macedonia, FYR 17
Madagascar
Malawi 26
Malaysia
Maldives
Mali 26
Malta
Marshall Islands
Mauritania
Mauritius
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia 22
Montenegro
Morocco 11
Mozambique 29
Myanmar
Namibia
Nepal 28
Netherlands
New Caledonia
New Zealand
Nicaragua
Niger 16
Nigeria 19 16
Northern Mariana Islands
Norway
Oman
Pakistan 20
Palau
Panama
Papua New Guinea
Paraguay
Peru 10 10 9
Philippines 19 18
Poland
Portugal
Puerto Rico
Qatar 6
Romania
Russian Federation 8
Rwanda 21
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal 30 29
Serbia 7
Seychelles
Sierra Leone 27 25
Singapore
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan 26
Spain
Sri Lanka
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan 29
Suriname 17
Swaziland 13
Sweden
Switzerland
Syrian Arab Republic 16
Tajikistan 23
Tanzania 22
Thailand 7
Timor-Leste 32
Togo 37
Tonga
Trinidad and Tobago
Tunisia 7
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 34
Ukraine 5
United Arab Emirates
United Kingdom
United States 8
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB
Vietnam 4
Virgin Islands (U.S.)
West Bank and Gaza 16
Yemen, Rep.
Zambia
Zimbabwe 15

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