Country name 2006 2007 2008 2009 2010
Rwanda 17.1
Zambia 19.2 17.9
Guinea-Bissau 18.3
Colombia 18.0 18.0 18.9 18.8 18.7
Paraguay 19.2 19.4 19.7 20.7 19.5
Malawi 19.8
Mexico 19.8 19.5 19.8
Panama 20.1 20.6 20.1 19.9 20.1
Ecuador 19.1 18.8 20.1 20.3 20.2
Honduras 19.7 19.2 19.3 20.7 20.2
Lesotho 20.3
Madagascar 20.3
Costa Rica 20.3 19.8 20.2 19.9 20.3
Vietnam 22.1 21.5 20.7
Dominican Republic 19.4 19.9 20.0 19.9 20.8
Cambodia 19.8 21.4 21.4 21.0
Bangladesh 21.2
Pakistan 21.0 21.3
Ethiopia 21.3
Armenia 21.2 22.1 22.0 22.1 21.4
Uruguay 21.1 21.0 21.3 21.2 21.4
Jordan 21.5 21.5 21.5
Peru 20.7 20.7 21.5 21.5 21.6
El Salvador 20.8 20.5 20.8 20.4 21.6
Thailand 21.4 21.7 21.7 21.8 21.7
Cyprus 21.6 21.9 21.6 21.9 21.8
France 22.8 21.9 21.9 21.8
Indonesia 21.5 21.8
Russian Federation 21.7 21.2 21.0 21.2 21.9
Nepal 21.9
Portugal 21.7 21.7 21.6 22.0 21.9
Kyrgyz Republic 22.6 21.2 22.0 21.9 22.0
Czech Republic 21.9 21.8 21.6 21.9 22.0
Kazakhstan 21.9 22.2 22.0 22.2 22.1
Vanuatu 22.2
Iceland 21.5 21.7 21.2 21.8 22.2
Poland 22.4 22.2 22.1 22.1 22.3
Turkey 22.5 22.7 22.7 22.3 22.3
Georgia 22.0 21.9 22.3 22.0 22.4
Ukraine 22.3 22.4 22.5 22.5 22.4
Argentina 22.0 22.0 22.4 22.6 22.4
Moldova 22.5 22.4 22.2 23.0 22.4
Croatia 21.3 21.6 22.4
Mongolia 22.2 22.5
United Kingdom 22.4 22.0 22.6 22.6 22.5
Ireland 22.5 22.3 22.6 22.3 22.6
Sao Tome and Principe 22.6
Belgium 22.8 22.4 22.8 22.8 22.6
Finland 22.4 22.3 22.4 22.4 22.6
Tunisia 22.6
Germany 22.5 22.3 22.5 22.3 22.6
Switzerland 22.5 22.7 22.7 22.7
Denmark 22.5 22.2 23.1 22.9 22.7
Slovenia 22.7 22.6 22.6 22.7 22.7
Bulgaria 23.0 23.0 22.6 22.8 22.7
Slovak Republic 21.7 21.5 21.7 22.0 22.7
Canada 22.6 22.8
Latvia 22.8 22.6 22.4 22.7 22.8
Sweden 22.9 22.9 23.0 22.9 22.8
Netherlands 22.1 22.3 22.5 22.8 22.8
Belarus 22.9 22.6 23.0 22.4 22.8
Australia 22.5 22.8
Serbia 22.6 22.7 22.5 22.8 22.8
Norway 23.1 22.8 22.8 22.8 22.8
Estonia 21.9 23.0 22.6 22.5 22.8
Hungary 22.6 22.0 22.8 23.0 22.9
Israel 23.4 22.9
Austria 22.6 22.9 22.6 22.6 22.9
Luxembourg 22.4 22.2 22.2 23.0 22.9
Italy 23.0 23.1 22.9 23.1 22.9
United States 22.6 23.0
Greece 22.7 22.7 22.6 22.5 23.0
Romania 22.7 23.3 22.9 23.1 23.2
China 22.7 23.2
Montenegro 22.8 23.2 22.4 22.3 23.2
Lithuania 22.1 22.4 22.0 22.7 23.2
Spain 23.3 23.4 23.3 23.2 23.3
Nigeria 21.6
Guinea 22.0
Cote d'Ivoire 21.7
Samoa 20.3
Guyana
Togo 21.2
Haiti
Guatemala 19.1
Congo, Rep.
Singapore
Hong Kong SAR, China
Swaziland 19.9
Grenada
Uganda 19.6
Congo, Dem. Rep.
Bosnia and Herzegovina 23.0
India 20.8
Qatar
Comoros
Senegal
Iran, Islamic Rep. 22.2
Solomon Islands
Iraq
St. Martin (French part)
Greenland
Tajikistan 22.7 22.6
Isle of Man
Antigua and Barbuda
Ghana
Nicaragua 21.1
Cuba
French Polynesia
Jamaica
Bolivia 19.8 19.6 20.7 21.4
Japan 22.7
Belize
Chile 18.7 18.3
Dominica
Chad
Bahrain
Kenya
Seychelles 21.1
Kiribati 22.3
Bahamas, The
Korea, Dem. People’s Rep.
South Africa 14.2 15.8
Korea, Rep.
St. Kitts and Nevis
Kuwait
Sudan 22.9
Central African Republic 17.7
Egypt, Arab Rep. 21.0
Lao PDR 20.9
Eritrea
Cayman Islands
Trinidad and Tobago
Afghanistan
Turks and Caicos Islands
Cameroon 21.5
Guam
Liberia 22.1
Niger 20.4
Libya
Northern Mariana Islands
Liechtenstein
Oman
Bhutan 22.2
Palau
Philippines 21.3 21.1
Papua New Guinea 22.1
Curacao
Bermuda
Macao SAR, China
Benin
Macedonia, FYR 21.6 21.0
Puerto Rico
Cabo Verde 20.0
Djibouti
Burundi 21.0
Barbados
Malaysia 21.5 21.8
San Marino
Maldives 22.8
Saudi Arabia
Mali 21.6 22.5
Fiji 20.2
Malta
Sierra Leone
Marshall Islands
Sint Maarten (Dutch part)
Mauritania 22.8
Azerbaijan
Mauritius 21.4
Somalia
Burkina Faso 20.9
South Sudan
Micronesia, Fed. Sts.
Sri Lanka 20.6 21.0
Brunei Darussalam
St. Lucia
Monaco
St. Vincent and the Grenadines
Brazil 18.6 19.0 19.1 19.2
Suriname
United Arab Emirates
Faroe Islands
Gambia, The
Syrian Arab Republic
Algeria
Tanzania 21.1
Albania 22.2
Timor-Leste 21.3
West Bank and Gaza 21.8 22.3 21.9
Tonga 22.0
Equatorial Guinea
Aruba
Gabon
Turkmenistan
New Caledonia
Tuvalu
New Zealand
Angola 21.9
American Samoa
Andorra
Morocco 20.5
Mozambique 20.1
Uzbekistan
Myanmar
Venezuela, RB 22.3
Namibia 15.7
Virgin Islands (U.S.)
Botswana 16.9
Yemen, Rep.
Lebanon
Zimbabwe

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