Country name 2004 2005 2006 2007 2008
Afghanistan 30 36
Albania 97
Algeria 89
American Samoa
Andorra
Angola 80
Antigua and Barbuda 100 100 100 100 100
Argentina 99
Armenia 93
Aruba
Australia 98
Austria
Azerbaijan 77
Bahamas, The 98 98 98
Bahrain 100
Bangladesh 49 48 51
Barbados 100 100 100 100
Belarus 99
Belgium
Belize 94 94 99
Benin 84
Bermuda
Bhutan 88
Bolivia 86
Bosnia and Herzegovina 99
Botswana 94
Brazil 97 97 98 97
Brunei Darussalam
Bulgaria
Burkina Faso 85
Burundi 92
Cabo Verde 98
Cambodia 69
Cameroon 83 82
Canada 100
Cayman Islands
Central African Republic 69
Chad 39
Chile
China 90 90 90 91 91
Colombia 94
Comoros 75
Congo, Dem. Rep. 85
Congo, Rep. 86
Costa Rica 92 92 90
Cote d'Ivoire 87 85
Croatia 100 100 100 100 100
Cuba 100 100 100
Curacao
Cyprus 99
Czech Republic
Denmark
Djibouti 92
Dominica 100 100 100 100
Dominican Republic 97 99
Ecuador 84
Egypt, Arab Rep. 70 74
El Salvador 94
Equatorial Guinea
Eritrea
Estonia
Ethiopia 28
Faeroe Islands
Fiji 100
Finland 100
France 100
French Polynesia
Gabon
Gambia, The 98
Georgia 96
Germany 100
Ghana 92 96 90
Greece
Greenland
Grenada 100 100
Guam
Guatemala
Guinea 82 88
Guinea-Bissau 78
Guyana 98 81
Haiti 85
Honduras 92
Hong Kong SAR, China
Hungary
Iceland
India 74 75
Indonesia 89 90 91 93
Iran, Islamic Rep. 98
Iraq 84
Ireland 100
Isle of Man
Israel
Italy 99
Jamaica 91 99
Japan
Jordan 99
Kazakhstan 100
Kenya
Kiribati 100
Korea, Dem. Rep.
Korea, Rep.
Kosovo
Kuwait 100
Kyrgyz Republic 97
Lao PDR 35
Latvia 92
Lebanon 96
Lesotho 90
Liberia 79
Libya 93
Liechtenstein
Lithuania 100
Luxembourg
Macao SAR, China
Macedonia, FYR 99
Madagascar 80
Malawi 92 92
Malaysia 79
Maldives 95
Mali 70
Malta 100
Marshall Islands 81
Mauritania 75
Mauritius
Mexico 98
Micronesia, Fed. Sts. 80
Moldova 98
Monaco
Mongolia 99 100
Montenegro 97
Morocco 68
Mozambique 92
Myanmar 80
Namibia 95
Nepal 44
Netherlands
New Caledonia
New Zealand
Nicaragua 90
Niger 46
Nigeria 58
Northern Mariana Islands
Norway
Oman
Pakistan 36 61 56
Palau 100 100
Panama
Papua New Guinea 79
Paraguay 94 96
Peru 91 91
Philippines 91
Poland
Portugal 100
Puerto Rico
Qatar
Romania 94
Russian Federation
Rwanda 94 96
Samoa
San Marino
Sao Tome and Principe 97
Saudi Arabia 97
Senegal 87
Serbia 98
Seychelles
Sierra Leone 81 87
Singapore
Sint Maarten (Dutch part)
Slovak Republic 97
Slovenia 100
Solomon Islands 74
Somalia 26
South Africa 97
South Sudan
Spain
Sri Lanka 99
St. Kitts and Nevis 100 100 100
St. Lucia 99 99 99 99
St. Martin (French part)
St. Vincent and the Grenadines 99 95 100
Sudan 64
Suriname 90 90
Swaziland 85
Sweden 100
Switzerland
Syrian Arab Republic 84
Tajikistan 76 77 78 89 80
Tanzania 78 76
Thailand 94 98
Timor-Leste
Togo 84
Tonga 99
Trinidad and Tobago 94 96
Tunisia 96
Turkey 89 92
Turkmenistan 99
Turks and Caicos Islands 100 100
Tuvalu 97
Uganda 94
Ukraine 99 99
United Arab Emirates 100
United Kingdom
United States
Uruguay 97 96
Uzbekistan 99
Vanuatu 84
Venezuela, RB
Vietnam 91
Virgin Islands (U.S.)
West Bank and Gaza 99
Yemen, Rep. 47
Zambia 94
Zimbabwe 94

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