Country name 2010 2011 2012 2013 2014
Norway 1 1 1 1 1
Sweden 1 1 1 1 1
Georgia 1 1 1 1 1
Portugal 1 1 1 1 1
United Arab Emirates 2 2 2 2 2
Thailand 2 2 2 2 2
Bahrain 2 2 2 2 2
New Zealand 2 2 2 2 2
Belarus 3 2 2 2 2
Oman 2 2 2 2 2
Slovak Republic 3 3 3 3 3
Kyrgyz Republic 3 3 3 3 3
Estonia 3 3 3 3 3
Bhutan 3 3 3 3 3
Armenia 3 3 3 3 3
Lithuania 3 3 3 3 3
Finland 3 3 3 3 3
Austria 3 3 3 3 3
Nepal 3 3 3 3 3
Azerbaijan 3 3 3 3 3
Iceland 3 3 3 3 3
Czech Republic 4 4 3 3 3
Denmark 3 3 3 3 3
Tonga 4 4 4 4 4
Comoros 4 4 4 4 4
Tunisia 4 4 4 4 4
Kazakhstan 4 4 4 4 4
Seychelles 4 4 4 4 4
Switzerland 4 4 4 4 4
Papua New Guinea 4 4 4 4 4
Fiji 3 3 4 4 4
Mauritania 4 4 4 4 4
Singapore 4 4 4 4 4
Syrian Arab Republic 4 4 4 4 4
Hungary 4 4 4 4 4
China 4 4 4 4 4
Niger 4 4 4 4 4
Burkina Faso 4 4 4 4 4
United States 4 4 4 4 4
Peru 4 4 4 4 4
Vietnam 4 4 4 4 4
Botswana 4 4 4 4 4
Benin 4 4 4 4 4
Mauritius 4 4 4 4 4
Vanuatu 4 4 4 4 4
Latvia 6 5 5 5 5
Iraq 5 5 5 5 5
Australia 5 5 5 5 5
Gambia, The 5 5 5 5 5
Germany 5 5 5 5 5
Kiribati 5 5 5 5 5
Slovenia 6 5 5 5 5
Palau 5 5 5 5 5
Zimbabwe 5 5 5 5 5
Zambia 5 5 5 5 5
Ireland 5 5 5 5 5
Lao PDR 5 5 5 5 5
Italy 5 5 5 4 4
Ghana 5 5 5 5 5
El Salvador 5 5 5 5 5
Costa Rica 6 5 5 5 5
Cameroon 5 5 5 5 5
Croatia 5 5 5 5 5
Indonesia 5 5 5 5 5
Rwanda 4 5 5 3 3
Samoa 5 5 5 5 5
Haiti 5 5 5 5 5
Mali 5 5 5 5 5
Moldova 5 5 5 5 5
Russian Federation 6 5 5 4 3
Togo 5 5 5 5 5
Netherlands 5 5 5 5 5
Central African Republic 5 5 5 5 5
Dominica 5 5 5 5 5
Hong Kong SAR, China 5 5 5 5 5
Saudi Arabia 5 5 5 5 5
Mongolia 5 5 5 5 5
Spain 4 5 5 5 5
Japan 6 6 6 6 6
Jamaica 6 6 6 6 6
Madagascar 6 6 6 6 6
Myanmar 6 6 6
Poland 6 6 6 6 6
Paraguay 6 6 6 6 6
Pakistan 6 6 6 6 6
Maldives 6 6 6 6 6
Malawi 6 6 6 6 6
Serbia 6 6 6 6 6
Senegal 6 6 6 6 5
Israel 6 6 6 6 6
Lesotho 6 6 6 4 4
Suriname 6 6 6 6 6
Equatorial Guinea 6 6 6 6 6
Chile 6 6 6 6 6
Tajikistan 6 6 6 6 6
Barbados 6 6 6 6
Dominican Republic 6 6 6 6 6
Djibouti 6 6 6 6 6
Congo, Rep. 6 6 6 6 6
Cote d'Ivoire 6 6 6 6 6
United Kingdom 6 6 6 6 6
Cyprus 6 6 6 6 6
Gabon 6 6 6 6 6
Sudan 6 6 6 6 6
Guyana 6 6 6 6 6
Yemen, Rep. 6 6 6 6 6
Honduras 6 6 6 6 6
Albania 6 6 6 6 6
Canada 6 6 6 6 6
Guinea 6 6 6 6 6
St. Kitts and Nevis 6 6 6 6 6
Chad 6 6 6 6 6
Turkey 6 6 6 6 6
Cabo Verde 6 6 6 6 6
Guatemala 6 6 6 6 6
Montenegro 7 7 7 6 6
Bulgaria 7 7 7 7 7
Qatar 7 7 7 7 7
Bolivia 7 7 7 7 7
Antigua and Barbuda 7 7 7 7 7
Angola 7 7 7 7 7
Argentina 6 7 7 7 7
Bahamas, The 7 7 7 7 7
Bosnia and Herzegovina 7 7 7 7 7
Cambodia 7 7 7 7 7
Brunei Darussalam 7 7 7 7 7
Congo, Dem. Rep. 7 7 7 7 7
Mexico 7 7 7 7 7
Luxembourg 7 7 7 7 7
Sierra Leone 7 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7 7
Korea, Rep. 7 7 7 7 7
Macedonia, FYR 7 7 7 7 7
Jordan 7 7 7 7 7
India 7 7 7 7 7
Colombia 7 7 7 7 6
Kosovo 7 7 7 6 6
South Africa 7 7 7 7 7
Sao Tome and Principe 7 7 7 7 7
Malta 7 7 7 7
Sri Lanka 8 8 8 9 9
Tanzania 9 8 8 8 8
Romania 8 8 8 8 8
Puerto Rico 8 8 8 8 8
Uruguay 8 8 8 8 8
West Bank and Gaza 8 8 8 8 8
Lebanon 8 8 8 8 8
France 8 8 8 8 8
Panama 8 8 8 7 7
Guinea-Bissau 8 8 8 8 8
Kuwait 8 8 8 8 8
Egypt, Arab Rep. 8 8 8 8 8
Ecuador 8 8 8 8 8
Bangladesh 8 8 8 8 8
Belgium 8 8 8 8 8
Belize 8 8 8 8 8
Burundi 8 8 8 5 5
Malaysia 8 8 8 8 8
Grenada 8 8 8 8 8
Morocco 8 8 8 8 8
Mozambique 8 8 8 8 6
Namibia 7 7 8 8 8
Venezuela, RB 9 9 9 9 9
St. Lucia 9 9 9 9 9
Iran, Islamic Rep. 9 9 9 9 9
Swaziland 9 9 9 9 9
Philippines 9 9 9 9 9
Trinidad and Tobago 9 9 9 9 9
South Sudan 9 9 9
Nicaragua 9 9 9 9 9
San Marino 9 9 9
Kenya 9 9 9 9 9
Afghanistan 9 9 9 9 9
Algeria 10 10 10 10 10
Ethiopia 10 10 10 10 10
Ukraine 10 10 10 8 7
Liberia 10 10 10 10 10
Solomon Islands 10 10 10 10 10
Greece 11 11 11 11 10
Eritrea 11 11 11 11 11
Uganda 12 12 12 11 11
Uzbekistan 13 13 13 13 13
Nigeria 13 13 13 12 12
Brazil 13 13 14 14 14
French Polynesia
Tuvalu
Guam
Monaco
Turkmenistan
Micronesia, Fed. Sts.
Isle of Man
Greenland
Bermuda
Marshall Islands
Cayman Islands
Virgin Islands (U.S.)
Turks and Caicos Islands
Sint Maarten (Dutch part)
St. Martin (French part)
Korea, Dem. Rep.
Liechtenstein
Libya
Cuba
Macao SAR, China
Andorra
Somalia
Timor-Leste
Northern Mariana Islands
New Caledonia
Aruba
Curacao
American Samoa
Faeroe Islands

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