Country name 2010 2011 2012 2013 2014
Lao PDR 14
China 28
Russian Federation 56
Switzerland
Mexico 54
American Samoa
Andorra
Liberia
Angola 35
Nigeria 16
Antigua and Barbuda 3
Slovak Republic 35
Argentina 176
Ukraine 17
Armenia 30
Malawi
Aruba
Myanmar 27
Australia
Paraguay 81
Austria
Azerbaijan 5
St. Kitts and Nevis 2
Bahamas, The 17
Tonga
Bahrain
Albania 10
Bangladesh 34
Luxembourg
Barbados 49
Malta
Belarus 21
Mongolia 47
Belgium
New Caledonia
Belize 2
Pakistan 8
Benin
Portugal
Bermuda
Algeria
Bhutan
South Africa
Bolivia 37
Sudan 5
Bosnia and Herzegovina 41
Tanzania 19
Botswana 27
Turkmenistan
Brazil
Uruguay 108
Brunei Darussalam
Zambia 22
Bulgaria 41
Liechtenstein
Burkina Faso
Macedonia, FYR 14
Burundi 10
Maldives
Cabo Verde
Mauritania 65
Cambodia
Moldova 13
Cameroon
Morocco
Canada
Nepal 10
Cayman Islands
Nicaragua 18
Central African Republic 15
Norway
Chad
Panama 66
Chile 69
Philippines
Sao Tome and Principe
Qatar
Seychelles
Samoa
Colombia 26
Senegal 28
Comoros
Singapore
Congo, Dem. Rep. 40 24
Solomon Islands
Congo, Rep.
Spain
Costa Rica 36
St. Martin (French part)
Cote d'Ivoire
Swaziland
Croatia 56
Taiwan, China
Cuba
Timor-Leste
Curacao
Tunisia 39
Cyprus
Tuvalu
Czech Republic 21
United Kingdom
Denmark
Vanuatu
Djibouti 9
West Bank and Gaza 12
Dominica 3
Afghanistan 14
Dominican Republic 138
Libya
Ecuador 30
Lithuania 43
Egypt, Arab Rep.
Macao SAR, China
El Salvador 44
Madagascar 14
Equatorial Guinea
Malaysia
Eritrea
Mali
Estonia 16
Marshall Islands
Ethiopia 14
Mauritius
Faeroe Islands
Micronesia, Fed. Sts.
Fiji
Monaco
Finland
Montenegro 12
France
Mozambique
French Polynesia
Namibia 24
Gabon
Netherlands
Gambia, The
New Zealand
Georgia 5
Niger
Germany
Northern Mariana Islands
Ghana 25
Oman
Greece
Palau
Greenland
Papua New Guinea
Grenada 22
Peru 47
Guam
Poland 10
Guatemala 41
Puerto Rico
Guinea
Romania 23
Guinea-Bissau
Rwanda 11
Guyana 22
San Marino
Haiti
Saudi Arabia
Honduras 29
Serbia 36
Hong Kong SAR, China
Sierra Leone
Hungary 26
Sint Maarten (Dutch part)
Iceland
Slovenia 29
India 18
Somalia
Indonesia
South Sudan 9
Iran, Islamic Rep.
Sri Lanka 17
Iraq 19
St. Lucia 2
Ireland
St. Vincent and the Grenadines 7
Isle of Man
Suriname 42
Israel 193
Sweden 26
Italy
Syrian Arab Republic
Jamaica 9
Tajikistan 16
Japan
Thailand
Jordan 1
Togo
Kazakhstan 43
Trinidad and Tobago 29
Kenya 14
Turkey 40
Kiribati
Turks and Caicos Islands
Korea, Dem. Rep.
Uganda 10
Korea, Rep.
United Arab Emirates
Kuwait
United States
Kyrgyz Republic 31
Uzbekistan 22
Vietnam
Venezuela, RB 117
Latvia 10
Virgin Islands (U.S.)
Lebanon 50
Yemen, Rep. 7 7
Lesotho
Zimbabwe 6

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