Country name 2005 2006 2007 2008
Afghanistan 10 10 10 10
Albania 8 8 8 8
Algeria 9 9 9 9
American Samoa
Andorra
Angola 8 8 8 8
Antigua and Barbuda 5 5 5 5
Argentina 6 6 6 6
Armenia 6 6 8 8
Aruba
Australia 7 7 7 7
Austria 4 4 4 4
Azerbaijan 11 11 11 11
Bahamas, The 5 5
Bahrain 8 8
Bangladesh 8 8 8 8
Barbados
Belarus 10 10 10 10
Belgium 4 4 4 4
Belize 7 7 7 7
Benin 8 8 8 8
Bermuda
Bhutan 12 12 12 12
Bolivia 6 6 6 6
Bosnia and Herzegovina 7 7 8 8
Botswana 7 7 7 7
Brazil 8 8 8 8
Brunei Darussalam 5 5 5
Bulgaria 8 8 5 5
Burkina Faso 10 10 10 10
Burundi 11 11 11 11
Cabo Verde 7 7 7 7
Cambodia 11 10 10 10
Cameroon 9 9 9 10
Canada 3 3 3 3
Cayman Islands
Central African Republic 17 17 17 17
Chad 10 10 10 10
Chile 5 5 5 5
China 6 6 6 6
Colombia 6 6 6 6
Comoros 10 10 10 10
Congo, Dem. Rep. 8 9 9 9
Congo, Rep. 10 10 10 10
Costa Rica 5 5 5 5
Cote d'Ivoire 10 10 10 10
Croatia 7 7 7 7
Cuba
Curacao
Cyprus 7
Czech Republic 6 6 6 6
Denmark 3 3 3 3
Djibouti 13 13 6 5
Dominica 8 8 8 8
Dominican Republic 9 9 6 6
Ecuador 7 7 7 6
Egypt, Arab Rep. 11 10 10 10
El Salvador 9 9 9 7
Equatorial Guinea 6 6 6 6
Eritrea 12 12 12 12
Estonia 4 4 4 4
Ethiopia 10 10 10 10
Faeroe Islands
Fiji 10 10 10 10
Finland 5 5 5 5
France 13 5 5 2
French Polynesia
Gabon 7 7 7 8
Gambia, The 7 7 7 7
Georgia 15 7 7 7
Germany 4 4 4 4
Ghana 7 7 7 7
Greece 6 6 6 6
Greenland
Grenada 6 6 6 6
Guam
Guatemala 4 4 8 7
Guinea 9 9 9 9
Guinea-Bissau 6 6 6 6
Guyana 7 7 7 7
Haiti 10 10 10 10
Honduras 8 8 8 7
Hong Kong SAR, China 8 3 3 3
Hungary 6 6 6 6
Iceland 4 4 4 4
India 11 11 11 11
Indonesia 8 8 8 8
Iran, Islamic Rep. 10 10 10 10
Iraq 10 10 10 10
Ireland 2 2 2 2
Isle of Man
Israel 4 4 4 4
Italy 3 3 3 3
Jamaica 9 7 7 7
Japan 5 5 5 5
Jordan 12 7 7 7
Kazakhstan 13 13 13 13
Kenya 14 9 9 9
Kiribati 6 6 6 6
Korea, Dem. Rep.
Korea, Rep. 8 8 6 6
Kosovo
Kuwait 10 10 10 10
Kyrgyz Republic 17 17 17 17
Lao PDR 15 15 10 10
Latvia 5 5 6 6
Lebanon 11 11 7 7
Lesotho 8 8 8 8
Liberia 12 12 12
Libya
Liechtenstein
Lithuania 5 5 5 5
Luxembourg 4 4 4
Macao SAR, China
Macedonia, FYR 9 9 9 8
Madagascar 11 11 10 9
Malawi 11 11 11 11
Malaysia 4 4 4 4
Maldives 9 9 9 9
Mali 11 11 11 11
Malta
Marshall Islands 5 5 5 5
Mauritania 8 8 8 8
Mauritius 6 6 5 5
Mexico 4 4 4 4
Micronesia, Fed. Sts. 6 6 6 6
Moldova 8 8 8 8
Monaco
Mongolia 13 13 13 13
Montenegro 6 6 6
Morocco 8 8 8 7
Mozambique 9 9 9 9
Myanmar
Namibia 7 7 7 7
Nepal 11 11 11 11
Netherlands 5 5 5 5
New Caledonia
New Zealand 6 6 6 6
Nicaragua 7 5 5 5
Niger 10 10 10 10
Nigeria 17 13 13 13
Northern Mariana Islands
Norway 5 5 5 5
Oman 8 8 8 8
Pakistan 8 8 8 8
Palau 9 9 9 9
Panama 3 3 3 3
Papua New Guinea 9 9 9 9
Paraguay 9 9 9 9
Peru 7 7 7 7
Philippines 8 8 8 8
Poland 4 4 4 4
Portugal 4 4 4 4
Puerto Rico 8 8 8 8
Qatar 7 7
Romania 15 6 6 6
Russian Federation 12 12 12 12
Rwanda 21 21 10 11
Samoa 6 6 6 6
San Marino
Sao Tome and Principe 7 7 7 7
Saudi Arabia 8 8 7 7
Senegal 11 11 11 5
Serbia 7 7 7 7
Seychelles 5 5 5 5
Sierra Leone 9 9 9 9
Singapore 3 3 3 3
Sint Maarten (Dutch part)
Slovak Republic 6 6 6 6
Slovenia 7 7 7 7
Solomon Islands 5 5 5 5
Somalia
South Africa 7 7 7 7
South Sudan
Spain 5 5 5 5
Sri Lanka 10 10 7 7
St. Kitts and Nevis 7 7 7 7
St. Lucia 8 8 8 8
St. Martin (French part)
St. Vincent and the Grenadines 6 6 6 6
Sudan 7 7 7 7
Suriname 6 6 6 6
Swaziland 7 7 7 7
Sweden 3 3 3 3
Switzerland 4 4 4 4
Syrian Arab Republic 9 9 9 9
Tajikistan 13 13 13 13
Tanzania 17 11 11 11
Thailand 12 12 9 5
Timor-Leste 7 7 7 7
Togo 10 7 7 7
Tonga 6 6 6 6
Trinidad and Tobago 10 10 10 10
Tunisia 6 6 6 6
Turkey 13 13 8 8
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 20 20 10 10
Ukraine 8 8 8 8
United Arab Emirates 7 7 7 7
United Kingdom 4 4 4 4
United States 5 5 5 5
Uruguay 7 7 7 7
Uzbekistan 15 15 15 15
Vanuatu 7 7 7 7
Venezuela, RB 13 12 9 9
Vietnam 8 8 8 8
Virgin Islands (U.S.)
West Bank and Gaza 6 6 6 6
Yemen, Rep. 9 9 9 9
Zambia 9 9 9 9
Zimbabwe 9 9 9 9

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