Country name 2006 2007 2008 2009 2010
Samoa 0.0
Liberia 0.2 0.3 0.4 0.3
Nigeria 10.4 11.1 12.9 10.5 5.6
Bangladesh 8.8 8.8 9.5 9.6 9.7
Sierra Leone 8.9 8.3 8.9 9.0 9.8
Central African Republic 9.4 9.5 9.9
Uganda 12.7 12.8 13.3 11.0 10.5
Ethiopia 8.9 8.3 10.1 9.4 10.8
Afghanistan 8.9 6.9 8.0 10.5 11.0
Guatemala 12.5 12.6 11.9 10.9 11.1
Japan 14.7 12.1 12.9 11.4 11.2
Madagascar 11.7 11.9 14.2 9.9 11.2
China 10.2 16.9 11.2 11.8 11.3
Cambodia 9.8 11.2 12.5 10.8 11.5
Tanzania 12.3 12.7
Sri Lanka 16.2 15.8 14.9 14.5 12.7
India 13.2 14.2 12.5 11.2 12.9
Philippines 15.6 15.2 15.2 14.0 13.4
Pakistan 12.4 13.6 12.9 13.5 13.8
Dominican Republic 16.2 16.5 15.6 14.1 13.9
Zambia 14.2 14.3 15.0 13.1 13.9
Rwanda 13.7 13.8 14.3
Lao PDR 12.2 13.2 13.5 14.2 14.4
Nicaragua 14.7 15.0 14.3 14.0 14.8
Nepal 10.7 11.9 12.3 14.1 14.9
Congo, Dem. Rep. 10.0 9.4 11.8 14.2 15.0
Burkina Faso 13.0 13.8 12.9 13.6 15.3
Cote d'Ivoire 15.9 17.2 16.8 16.1 15.8
United States 18.5 18.6 17.3 15.7 16.2
Bahamas, The 16.1 16.1 17.3 16.8 16.3
Kenya 16.0 16.0 16.5 16.2 16.4
Switzerland 16.6 16.3 16.8 16.9 16.5
Ghana 13.6 15.7 15.7 15.4 16.7
Singapore 18.0 19.4 20.6 17.2 17.0
Canada 18.7 18.7 17.8 17.7 17.1
Benin 15.4 19.0 17.3 16.4 17.3
Togo 15.9 16.8 15.6 17.0 17.4
Mali 16.0 17.1 15.5 17.1 17.6
Latvia 17.8 17.4 17.4 18.0 17.8
Mozambique 17.9
Vanuatu 18.9 17.9
El Salvador 17.3 19.4 20.5 17.9 19.0
Thailand 18.7 18.3 18.8 17.4 19.0
Senegal 18.5 19.3
Kyrgyz Republic 16.5 20.7 20.1 18.8 19.4
Malaysia 20.7 21.0 20.8 22.3 19.4
Sao Tome and Principe 18.3 39.7 16.0 16.9 19.6
Grenada 20.5 20.9 20.8 19.3 19.9
Paraguay 18.6 18.0 18.4 20.5 19.9
Cabo Verde 24.7 22.6 23.3 20.4 20.0
Peru 20.1 21.0 21.0 18.9 20.1
Lebanon 20.5 21.3 21.8 22.1 20.3
Suriname 21.9 24.1 21.8 24.4 20.5
Honduras 21.1 22.1 22.7 20.4 20.6
Antigua and Barbuda 19.7 20.8 20.2 18.3 20.9
Korea, Rep. 21.3 22.6 22.3 21.3 21.0
Maldives 27.7 29.0 25.4 19.1 21.3
Chile 24.5 26.0 24.5 19.1 21.5
Colombia 21.7 20.8 21.5
Bahrain 24.5 27.4 19.5 22.2
Armenia 19.8 21.4 22.9 22.3 22.6
Jordan 29.6 29.9 25.8 24.8 22.7
Mauritius 23.5 22.8
St. Lucia 22.3 22.2 24.2 24.1 23.0
Australia 27.0 26.4 26.6 24.5 23.4
Costa Rica 25.2 24.6 23.7
Namibia 32.4 29.5 33.3 31.7 23.8
Georgia 22.5 24.0 25.7 25.2 23.9
Spain 26.6 27.0 23.7 21.8 24.6
Egypt, Arab Rep. 28.1 27.1 27.6 26.9 24.8
Brazil 24.6 25.2 25.9 23.2 25.4
Russian Federation 28.7 31.3 33.7 25.5 26.1
St. Vincent and the Grenadines 23.9 24.7 26.1 25.6 26.3
Dominica 25.5 27.4 27.3 26.5 26.4
Barbados 27.8 28.5 27.1 27.1
St. Kitts and Nevis 28.6 27.9 27.4 28.0 27.2
Slovak Republic 29.6 28.3 28.5 28.2 27.2
Belize 24.1 26.2 25.8 25.5 27.4
Czech Republic 28.3 28.9 28.9 26.9 27.4
Germany 27.5 27.2 27.3 28.4 27.6
South Africa 30.1 30.3 29.6 27.5 28.1
Bulgaria 33.8 32.8 33.2 30.4 28.2
Iceland 34.5 33.3 31.0 27.8 28.7
Macedonia, FYR 31.0 31.9 32.2 30.5 28.9
Tunisia 26.4 27.0 29.2 28.7 29.0
Mongolia 37.7 37.6 30.8 26.8 29.0
Poland 32.0 32.4 31.9 29.6 29.4
Romania 24.3 25.0 29.7 29.4 29.9
Uruguay 27.4 26.5 26.5 29.2 29.9
Ireland 32.9 32.3 31.0 30.4 30.6
Morocco 31.3 33.1 34.9 32.6 31.0
Sweden 34.0 33.6 32.1 31.6 31.2
Jamaica 31.6 32.3 31.7 32.5 31.3
Belarus 37.2 38.3 38.9 35.3 31.4
Moldova 33.3 34.2 34.4 32.6 31.6
Israel 36.6 36.4 34.1 31.6 32.3
Turkey 31.2 32.8 33.4
Croatia 34.0 35.0 34.4 34.3 33.6
Estonia 28.8 29.3 30.2 35.8 33.7
Qatar 38.7 40.5 33.6 47.5 34.2
United Kingdom 35.4 35.2 36.6 33.6 34.2
Ukraine 36.2 34.3 35.8 34.6 34.3
New Zealand 37.1 35.4 36.6 37.3 34.7
Trinidad and Tobago 34.8 30.4 33.7 34.3 34.7
Oman 34.3 36.1 32.3 36.1 34.9
Portugal 35.0 35.2 34.7 33.1 35.0
Seychelles 47.3 35.7 34.8 33.0 35.1
Angola 46.1 45.0 42.7 21.4 35.2
Finland 37.8 37.5 37.5 35.8 35.2
Austria 36.1 36.1 36.2 35.1 35.3
Slovenia 37.9 36.3 37.3 36.2 36.1
Botswana 45.5 41.6 39.8 39.7 36.3
Macao SAR, China 24.9 29.6 33.6 33.3 36.4
Cyprus 70.6 65.7 35.8 36.4
Serbia 38.8 38.2 36.7 36.5
Italy 35.3 36.0 36.1 37.0 36.6
Algeria 42.9 39.7 47.2 37.5 37.1
Malta 88.9 90.5 38.4 38.4 37.4
Greece 36.4 37.9 37.8 35.9 38.5
Netherlands 38.4 37.8 39.0 37.9 38.5
Denmark 34.5 38.8 39.0 38.5 38.6
Hungary 35.3 37.8 40.0 40.2 39.0
Bosnia and Herzegovina 39.0 39.5 38.7 38.1 39.1
Luxembourg 37.7 37.7 38.9 40.5 39.4
Belgium 39.7 39.1 40.0 39.1 39.6
France 41.9 41.1 41.0 40.0 41.6
Azerbaijan 49.3 40.9 46.8
Norway 49.6 48.8 50.2 47.2 46.9
Kiribati 58.7
Kuwait 51.9 57.5 52.3 57.3 64.2
Lithuania 98.7 97.5 98.0 97.2 91.8
Cuba
Brunei Darussalam
Ecuador
Fiji 25.4
South Sudan
Malawi
Guinea-Bissau
New Caledonia
Gabon
Burundi
Iraq
Montenegro
Djibouti
Vietnam
Tuvalu
West Bank and Gaza 5.2 7.6
Marshall Islands
Curacao
Somalia
Mauritania
Aruba
Syrian Arab Republic 25.5 22.7
Iran, Islamic Rep. 30.8 29.5 27.4 26.5
Timor-Leste
Indonesia 18.7 17.6 19.5 15.4
Bhutan 17.0 20.4 22.6 22.9
Albania
Palau
Tonga
Panama
Turkmenistan
Papua New Guinea
Guam
Bermuda
Greenland
Liechtenstein
Kazakhstan
Monaco
Solomon Islands
Libya
Congo, Rep. 45.7 40.6 48.2
Cameroon
Equatorial Guinea 44.7 42.5 49.1
Puerto Rico
Isle of Man
Lesotho 67.1 63.3 65.0
St. Martin (French part)
Cayman Islands
Sudan
Chad
Swaziland
Faeroe Islands
Gambia, The 9.7 15.0 16.3 16.2
Argentina
Tajikistan
San Marino 45.9 45.4 45.6
Hong Kong SAR, China 20.3 22.3 19.3 20.2
French Polynesia
Haiti
Saudi Arabia
Guyana
Micronesia, Fed. Sts.
Guinea
Korea, Dem. Rep.
Turks and Caicos Islands
Mexico
Andorra
Comoros
United Arab Emirates
Eritrea
American Samoa
Sint Maarten (Dutch part)
Uzbekistan
Niger 13.0 13.5
Venezuela, RB
Bolivia 23.2 23.3
Virgin Islands (U.S.)
Northern Mariana Islands
Yemen, Rep.
Myanmar
Zimbabwe

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