Country name 2008 2009 2010 2011
Afghanistan
Albania 0.9
Algeria
American Samoa
Andorra
Angola 31.5
Antigua and Barbuda
Argentina 1.7 1.7 0.9
Armenia 2.3 4.0
Aruba
Australia
Austria
Azerbaijan 0.6
Bahamas, The
Bahrain
Bangladesh 30.4
Barbados
Belarus 0.1 0.2 0.1 0.1
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia 13.1
Bosnia and Herzegovina
Botswana
Brazil 5.3 5.4
Brunei Darussalam
Bulgaria
Burkina Faso 31.7
Burundi
Cambodia 17.4 15.1
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic 46.8
Chad
Chile 1.2
China 10.1 9.1
Colombia 9.6 8.2 6.8
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 2.3 2.7
Cote d'Ivoire 17.8
Croatia 0.1
Cuba
Curacao
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic 3.1 2.7 2.4
Ecuador 5.5 5.5 4.1
Egypt, Arab Rep. 2.8
El Salvador 4.8 7.6
Equatorial Guinea
Eritrea
Estonia
Ethiopia 23.6
Faeroe Islands
Fiji 6.0
Finland
France
French Polynesia
Gabon
Gambia, The
Georgia 11.7 13.7
Germany
Ghana
Greece
Greenland
Grenada
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 17.5 14.9
Hong Kong SAR, China
Hungary
Iceland
India 24.5
Indonesia 17.7 16.5 14.3
Iran, Islamic Rep.
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica
Japan
Jordan 0.3 0.2
Kazakhstan 0.2 0.2
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep.
Kosovo
Kuwait
Kyrgyz Republic 5.9 6.0 6.4 5.4
Lao PDR 24.8
Latvia 0.2 0.2
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania 0.2
Luxembourg
Macao SAR, China
Macedonia, FYR 0.7 0.9 1.8
Madagascar 60.1
Malawi 44.0
Malaysia 0.2
Maldives
Mali 35.2
Malta
Marshall Islands
Mauritania 17.7
Mauritius
Mexico 1.3 1.0
Micronesia, Fed. Sts.
Moldova 1.4 1.2 0.7
Monaco
Mongolia
Montenegro 0.1 0.0
Morocco
Mozambique 42.9
Myanmar
Namibia
Nepal 19.0
Netherlands
New Caledonia
New Zealand
Nicaragua
Niger 30.8
Nigeria 50.2 39.2
Northern Mariana Islands
Norway
Oman
Pakistan 17.9
Palau
Panama 4.9 5.1
Papua New Guinea
Paraguay 4.8 6.0 5.7
Peru 5.0 4.6 4.1
Philippines 13.8
Poland 0.1 0.1 0.1 0.1
Portugal
Puerto Rico
Qatar
Romania 0.6 0.5 0.5 0.5
Russian Federation 0.0 0.0
Rwanda 44.6
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal 21.9
Serbia 0.2 0.3 0.2
Seychelles
Sierra Leone 35.8
Singapore
Sint Maarten (Dutch part)
Slovak Republic 0.1 0.1
Slovenia
Solomon Islands
Somalia
South Africa 10.2
South Sudan
Spain
Sri Lanka 5.4
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan 15.4
Suriname
Swaziland 29.3
Sweden
Switzerland
Syrian Arab Republic
Tajikistan 7.0
Tanzania
Thailand 0.8 0.8 0.7
Timor-Leste
Togo 20.9
Tonga
Trinidad and Tobago
Tunisia 1.1
Turkey 0.7 1.4
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 27.4
Ukraine 0.0 0.1 0.0
United Arab Emirates
United Kingdom
United States
Uruguay 0.4 0.3 0.3
Uzbekistan
Vanuatu
Venezuela, RB
Vietnam 13.5
Virgin Islands (U.S.)
West Bank and Gaza 0.1
Yemen, Rep.
Zambia 56.8
Zimbabwe

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