Country name 2010 2011 2012 2013
Pakistan 36 35
Saudi Arabia 5 5
Luxembourg 1 2 2
Albania 33
Algeria 13 12
Tunisia
American Samoa
Mongolia 34 33
Andorra
Angola
St. Lucia
Antigua and Barbuda
West Bank and Gaza 10 10 9
Argentina 2 2 1
Malta 2 2 1
Armenia 31 33
New Caledonia
Aruba
Puerto Rico 3 3 3
Australia
Slovenia 9 9 9
Austria 5 6 5
Syrian Arab Republic 13 13
Azerbaijan 32 32 32
United Kingdom 2 2 2
Bahamas, The 6
Liberia 50
Bahrain 1
Malawi
Bangladesh
Mexico 19 19
Barbados 4 4 3
Myanmar
Belarus
Nigeria
Belgium 2 2 2
Peru 28 28
Belize
Rwanda
Benin
Sierra Leone
Bermuda
South Sudan
Bhutan 54 53 49
Suriname
Bolivia
Timor-Leste 51
Bosnia and Herzegovina 18 19 19
Tuvalu
Botswana
Vanuatu
Brazil 18
Afghanistan
Brunei Darussalam
Liechtenstein
Bulgaria 8 9 8
Macedonia, FYR 19 17
Burkina Faso
Maldives
Burundi
Mauritania
Cabo Verde
Moldova 31 31 30
Cambodia 53 55 49
Morocco
Cameroon 49
Nepal
Canada
Nicaragua 44
Palau
Norway 4 4 4
Cayman Islands
Central African Republic
Papua New Guinea
Chad
Poland 13 13 13
Chile 14 14
Romania 29 27 28
China
San Marino
Colombia 26 25 24
Serbia 23 23 23
Comoros
Sint Maarten (Dutch part)
Congo, Dem. Rep.
Somalia
Congo, Rep.
Sri Lanka 30 41 42
Costa Rica 21 20 19
St. Vincent and the Grenadines
Cote d'Ivoire
Sweden 3 3 3
Croatia 14 15 14
Tanzania
Cuba 25 26
Tonga
Curacao
Turkmenistan
Cyprus 5 5 4
Ukraine
Czech Republic 4 4 4
Uruguay
Denmark 4 4 4
Vietnam 45
Djibouti
Zambia
Dominica
Lesotho
Dominican Republic 19 21
Libya
Ecuador 33 33 32
Lithuania 12 11 12
Egypt, Arab Rep. 25 26
Macao SAR, China
El Salvador 32 32 32
Madagascar
Equatorial Guinea
Malaysia 16 14 15
Eritrea
Mali
Estonia 6 6 7
Marshall Islands
Ethiopia
Mauritius 10 9 9
Faeroe Islands
Micronesia, Fed. Sts.
Fiji
Monaco
Finland 6 6 6
Montenegro 7 7 6
France 4 4 4
Mozambique
French Polynesia
Namibia 29 28
Gabon
Netherlands 4 3
Gambia, The
New Zealand
Georgia
Niger
Germany 2 2 2
Northern Mariana Islands
Ghana 46
Oman 6
Greece 12 12 13
Greenland
Panama 23 23 22
Grenada
Paraguay 32 31 30
Guam
Philippines 41 40 39
Guatemala 45 49 44
Portugal 11 11 12
Guinea
Qatar 2 2
Guinea-Bissau
Russian Federation
Guyana
Samoa
Haiti
Sao Tome and Principe
Honduras 50 49
Senegal
Hong Kong SAR, China
Seychelles
Hungary 6 7 7
Singapore
Iceland 9 9 9
Slovak Republic 4 4 5
India 46 43
Solomon Islands
Indonesia 39 39 35
South Africa 6 6 6
Iran, Islamic Rep.
Spain 6 6 6
Iraq
St. Kitts and Nevis
Ireland 8 8 8
St. Martin (French part)
Isle of Man
Sudan
Israel
Swaziland
Italy 5 4 5
Switzerland 4 4 4
Jamaica 29 25 26
Tajikistan
Japan 4
Thailand 40 41 41
Jordan 2 2 2
Togo
Kazakhstan
Trinidad and Tobago
Kenya
Turkey 18 18 18
Kiribati
Turks and Caicos Islands
Korea, Dem. Rep.
Uganda
Korea, Rep. 6
United Arab Emirates
Kosovo 4
United States 2
Kuwait
Uzbekistan
Kyrgyz Republic
Venezuela, RB 13
Lao PDR
Virgin Islands (U.S.)
Latvia 12 13 12
Yemen, Rep. 25
Lebanon
Zimbabwe

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