Country name 2010 2011 2012 2013
Afghanistan
Albania 11
Algeria 30 24
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina 10 10 10
Armenia 6 7
Aruba
Australia
Austria 12 12 13
Azerbaijan 6 6 6
Bahamas, The 4
Bahrain 9
Bangladesh
Barbados 9 10 10
Belarus
Belgium 10 10 9
Belize
Benin
Bermuda
Bhutan 7 9 7
Bolivia
Bosnia and Herzegovina 16 16 17
Botswana
Brazil 12
Brunei Darussalam
Bulgaria 25 24 25
Burkina Faso
Burundi
Cabo Verde
Cambodia 16 18 18
Cameroon 12
Canada
Cayman Islands
Central African Republic
Chad
Chile 10 11
China
Colombia 16 16 17
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 12 11 11
Cote d'Ivoire
Croatia 15 16 17
Cuba 12 12
Curacao
Cyprus 9 9 9
Czech Republic 23 24 23
Denmark 9 9 10
Djibouti
Dominica
Dominican Republic 7 10
Ecuador 11 11 11
Egypt, Arab Rep. 6 5
El Salvador 18 19 18
Equatorial Guinea
Eritrea
Estonia 18 19 18
Ethiopia
Faeroe Islands
Fiji
Finland 10 9 9
France 10 11 10
French Polynesia
Gabon
Gambia, The
Georgia
Germany 14 14 14
Ghana 14
Greece 8 8 8
Greenland
Grenada
Guam
Guatemala 24 21 16
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 21 21
Hong Kong SAR, China 4 4 4
Hungary 20 20 19
Iceland 8 8 8
India 18 21
Indonesia 15 15 16
Iran, Islamic Rep.
Iraq
Ireland 9 9 9
Isle of Man
Israel
Italy 14 14 14
Jamaica 7 7 7
Japan 15
Jordan 9 8 8
Kazakhstan
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 13
Kosovo 10
Kuwait
Kyrgyz Republic
Lao PDR
Latvia 14 14 14
Lebanon
Lesotho
Liberia 5
Libya
Liechtenstein
Lithuania 16 16 16
Luxembourg 5 4 4
Macao SAR, China
Macedonia, FYR 26 24
Madagascar
Malawi
Malaysia 21 22 20
Maldives
Mali
Malta 13 13 11
Marshall Islands
Mauritania
Mauritius 22 21 20
Mexico 18 16
Micronesia, Fed. Sts.
Moldova 12 12 13
Monaco
Mongolia 12 12
Montenegro 10 9 8
Morocco
Mozambique
Myanmar
Namibia 7 5
Nepal
Netherlands 6 6
New Caledonia
New Zealand
Nicaragua 15
Niger
Nigeria
Northern Mariana Islands
Norway 7 7 8
Oman 6
Pakistan 11 11
Palau
Panama 10 10 9
Papua New Guinea
Paraguay 9 9 8
Peru 11 10
Philippines 10 10 10
Poland 16 17 16
Portugal 16 16 15
Puerto Rico 9 8 8
Qatar 4 4
Romania 20 20 20
Russian Federation
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia 2 2
Senegal
Serbia 16 17 17
Seychelles
Sierra Leone
Singapore
Sint Maarten (Dutch part)
Slovak Republic 21 21 21
Slovenia 21 18 18
Solomon Islands
Somalia
South Africa 13 13 13
South Sudan
Spain 10 9 9
Sri Lanka 25 23 25
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden 8 8 8
Switzerland 10 10 10
Syrian Arab Republic 9 9
Tajikistan
Tanzania
Thailand 18 18 18
Timor-Leste 7
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkey 16 15 15
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 7 8 8
United States 7
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB 11
Vietnam 17
Virgin Islands (U.S.)
West Bank and Gaza 8 9 9
Yemen, Rep. 15
Zambia
Zimbabwe

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