Country name 2006 2007 2008 2009 2010
Afghanistan 19 24 34
Albania 99 99
Algeria 95
American Samoa
Andorra
Angola 47
Antigua and Barbuda 100 100 100
Argentina 99 99 95 98 95
Armenia 100 100 100 100
Aruba
Australia
Austria
Azerbaijan 88 99
Bahamas, The 99 99
Bahrain 97 100
Bangladesh 20 18 24 27
Barbados 100 100
Belarus 100 100 100 100 100
Belgium
Belize 96 95 95 94 94
Benin 74
Bermuda
Bhutan 71 65
Bolivia 71
Bosnia and Herzegovina 100
Botswana 95
Brazil 97
Brunei Darussalam 100
Bulgaria 99 100 100 100 100
Burkina Faso 54 66
Burundi 60
Cabo Verde
Cambodia 71
Cameroon 63
Canada 100
Cayman Islands
Central African Republic 53 44 54
Chad 23
Chile 100 100 100 100 100
China 98 98 99 99 100
Colombia 95
Comoros
Congo, Dem. Rep. 74 80
Congo, Rep.
Costa Rica 99 99 99
Cote d'Ivoire 57
Croatia 100 100 100 100 100
Cuba 100 100 100 100
Curacao
Cyprus
Czech Republic 100 100 100 100 100
Denmark
Djibouti 93
Dominica 94 100
Dominican Republic 96 98
Ecuador
Egypt, Arab Rep. 79
El Salvador 96
Equatorial Guinea
Eritrea 34
Estonia 100
Ethiopia
Faeroe Islands
Fiji 99 100
Finland
France
French Polynesia
Gabon
Gambia, The 57 57
Georgia 100 100 100 100
Germany 100
Ghana 50 55 57
Greece
Greenland
Grenada 99
Guam
Guatemala 52 52
Guinea 46
Guinea-Bissau 39 43
Guyana 83 83 92
Haiti 26
Honduras 67
Hong Kong SAR, China
Hungary 100 100 100 100 99
Iceland
India 47 52
Indonesia 79 75 82
Iran, Islamic Rep.
Iraq 89 80
Ireland
Isle of Man
Israel
Italy
Jamaica 95 98
Japan
Jordan 99
Kazakhstan 100 100 100 100
Kenya 44
Kiribati 65 80
Korea, Dem. Rep. 100
Korea, Rep.
Kuwait 100
Kyrgyz Republic 98 98 99 99 98
Lao PDR 20 37
Latvia 100
Lebanon
Lesotho 62
Liberia 46
Libya 100
Liechtenstein
Lithuania 100
Luxembourg
Macao SAR, China
Macedonia, FYR 98 100 100 100
Madagascar 44
Malawi 54 71
Malaysia 99 99 99
Maldives 95 98
Mali 49 56
Malta 100
Marshall Islands 86 99
Mauritania 61
Mauritius
Mexico 93 94 95 94
Micronesia, Fed. Sts. 88 92 100
Moldova 100 100 100 100 99
Monaco
Mongolia 99 99
Montenegro 99 100 100
Morocco
Mozambique 55
Myanmar 64 71
Namibia 81
Nepal 19
Netherlands
New Caledonia
New Zealand
Nicaragua 74 74
Niger 18
Nigeria 39
Northern Mariana Islands
Norway
Oman 98 99 99 99
Pakistan 39 38
Palau 100 100 100
Panama 91 92 89
Papua New Guinea 53
Paraguay 82
Peru 71 83 84
Philippines 62
Poland
Portugal
Puerto Rico
Qatar 100
Romania 98 99 99 99 99
Russian Federation 100 100 100 100 100
Rwanda 52 69
Samoa 81
San Marino
Sao Tome and Principe 81 82
Saudi Arabia 97
Senegal
Serbia 99 99 100
Seychelles
Sierra Leone 42 63
Singapore
Sint Maarten (Dutch part)
Slovak Republic 100 99 100 100 99
Slovenia 100 100 100 100 100
Solomon Islands 86
Somalia 33
South Africa
South Sudan 10 19
Spain
Sri Lanka 99
St. Kitts and Nevis 100 100
St. Lucia 98 100 99
St. Martin (French part)
St. Vincent and the Grenadines 100 99
Sudan 29 23
Suriname 90 91
Swaziland 74 69 82
Sweden
Switzerland 100
Syrian Arab Republic 93 96
Tajikistan 88 83 88
Tanzania 49
Thailand 97 100
Timor-Leste 29
Togo 62 59
Tonga 98 98
Trinidad and Tobago 98
Tunisia 95
Turkey 89 91 95
Turkmenistan 100
Turks and Caicos Islands 100
Tuvalu 98
Uganda 42
Ukraine 100 99 100
United Arab Emirates 100
United Kingdom
United States
Uruguay 100
Uzbekistan 100
Vanuatu 74
Venezuela, RB
Vietnam 88
Virgin Islands (U.S.)
West Bank and Gaza 99 99
Yemen, Rep. 36
Zambia 47
Zimbabwe 69 60

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