Country name 2005 2006 2007 2008
Vanuatu 8.4 8.4 8.4 8.4
Maldives 9.3 9.3 9.3 9.3
Kuwait 10.7 10.7 10.7 10.7
United Arab Emirates 14.4 14.4 14.4 14.4
Saudi Arabia 14.5 14.5 14.5 14.5
Zambia 15.4 15.4 15.0 15.0
Botswana 17.1 17.1 17.1 17.1
West Bank and Gaza 22.5 18.1 16.8 16.5
Samoa 20.2 20.2 19.8 18.9
Oman 19.5 20.3 12.0 21.6
Macedonia, FYR 20.3 20.3 20.3 17.4
Luxembourg 20.4 20.0 20.0
Croatia 21.4 21.4 21.4 21.4
Cambodia 21.5 21.5 21.5 21.5
Singapore 27.7 23.8 23.2 27.9
Hong Kong SAR, China 24.1 24.1 24.1 24.1
Chile 25.3 25.1 25.1 25.1
Ireland 25.3 25.3 25.3 25.4
Namibia 25.8 25.8 25.8 22.8
Mauritius 26.2 26.0 24.2 25.8
Solomon Islands 26.1 26.1 26.1 26.1
Iceland 26.4 26.5 26.2 25.8
Tonga 27.5 27.5 27.5 27.5
Switzerland 28.8 27.6 27.9 27.8
Iraq 24.2 27.8 27.8 27.8
Suriname 27.9 27.9 27.9 27.9
Lesotho 28.8 28.8 22.4 19.6
Ethiopia 30.3 30.3 30.3 30.3
Montenegro 30.4 30.4 31.0
Jordan 31.1 31.1 31.1 31.1
Korea, Rep. 35.4 31.1 30.2 32.5
Denmark 33.3 31.5 32.0 29.2
Kiribati 31.8 31.8 31.8 31.8
Nigeria 31.6 32.2 32.2 32.2
Zimbabwe 32.3 32.3 51.4 68.4
Nepal 32.5 32.5 32.8 34.1
Malawi 33.4 33.4 33.0 32.2
St. Lucia 35.7 34.0 34.0 34.0
United Kingdom 34.7 34.6 34.5 34.2
El Salvador 34.7 34.7 34.7 34.7
Belize 34.7 34.8 34.8 33.2
Lao PDR 35.2 35.2 35.2 33.4
Uganda 36.9 35.2 36.8 34.0
Ecuador 35.3 35.3 35.3 34.9
Bangladesh 35.3 35.3 37.0 36.1
New Zealand 36.6 35.4 35.5 36.0
Lebanon 35.4 35.4 35.4 36.0
Dominican Republic 35.5 35.8 39.5 35.2
Serbia 35.8 35.8 35.8 34.0
Ghana 39.8 35.9 32.7 32.5
Malaysia 36.0 36.0 36.0 34.5
Sudan 49.7 36.1 36.1 36.1
Afghanistan 36.3 36.3 36.3 36.3
Swaziland 36.3 36.3 36.3 36.3
Latvia 36.4 36.4 36.4 36.8
Armenia 36.6 36.6 38.8 38.6
Rwanda 46.8 36.9 33.5 33.4
Dominica 37.0 37.0 37.0 37.0
South Africa 37.6 37.1 36.5 33.7
Trinidad and Tobago 37.0 37.2 33.1 33.1
Thailand 37.5 37.4 37.4 37.5
Brunei Darussalam 37.4 37.4 37.4
Mozambique 37.5 37.5 37.5 37.5
Indonesia 37.5 37.5 37.5 37.5
Djibouti 37.8 37.8 37.8 37.8
Israel 39.1 38.2 35.2 33.0
Peru 38.4 38.3 38.3 38.1
Georgia 57.0 38.6 38.6 38.6
Guatemala 38.7 38.7 36.5 40.9
Guyana 39.0 39.0 39.0 39.0
Slovenia 39.2 39.2 38.4 35.8
Mongolia 39.8 39.8 39.8 33.8
Vietnam 39.9 39.9 39.9 39.9
Haiti 40.4 40.4 40.4 40.4
Bhutan 40.8 40.8 40.8 40.8
Norway 41.1 41.1 41.1 40.7
Papua New Guinea 41.6 41.5 41.5 41.5
Fiji 41.5 41.5 41.5 41.5
Pakistan 43.1 41.6 40.2 28.8
Bulgaria 45.2 41.6 35.8 33.9
Azerbaijan 46.4 42.2 40.9 40.9
Niger 42.3 42.3 42.4 42.3
Bosnia and Herzegovina 42.8 42.7 42.8 42.8
Liberia 42.9 42.9 42.9
Poland 43.2 43.2 43.4 45.1
Syrian Arab Republic 43.3 43.3 43.3 39.8
Portugal 43.8 43.8 42.9 42.5
Tanzania 43.8 43.8 43.9 44.4
Honduras 44.0 44.0 44.0 44.1
Panama 43.9 44.1 44.7 43.8
Equatorial Guinea 44.1 44.1 44.1 44.1
Iran, Islamic Rep. 44.2 44.2 44.2 44.2
Kazakhstan 44.1 44.2 41.4 41.5
Netherlands 47.7 44.6 41.8 38.2
Gabon 45.1 44.7 44.7 44.7
Paraguay 54.5 44.8 35.1 35.0
Canada 47.5 45.0 44.3 44.1
St. Vincent and the Grenadines 45.0 45.0 45.0 42.6
Grenada 45.3 45.3 45.3 45.3
Senegal 50.3 45.5 45.5 45.5
Moldova 48.0 45.9 42.5 42.0
Guinea-Bissau 54.2 45.9 45.9 45.9
Egypt, Arab Rep. 54.3 46.4 45.1 44.0
Madagascar 46.9 46.5 46.5 42.6
Slovak Republic 48.7 47.3 47.3 46.5
Cote d'Ivoire 47.3 47.3 44.6 44.6
United States 45.8 47.4 46.1 46.4
Germany 47.7 47.4 49.0 49.4
Burkina Faso 47.5 47.6 47.6 44.5
Philippines 47.2 47.6 49.1 47.1
Lithuania 51.2 47.6 46.2 45.6
Antigua and Barbuda 51.5 47.6 46.2 46.2
Finland 49.5 47.7 47.8 47.8
Yemen, Rep. 195.2 47.9 47.9 47.8
Czech Republic 48.8 48.2 47.7 47.7
Romania 55.8 48.2 45.6 45.4
Timor-Leste 48.4 48.4 48.4 32.6
Seychelles 48.4 48.4 48.4 46.6
Sao Tome and Principe 46.9 48.7 48.7 47.2
Estonia 50.3 49.1 48.4 47.9
Greece 54.0 49.5 48.9 46.7
Kenya 49.8 49.8 49.3 49.3
Venezuela, RB 50.2 49.8 53.6 55.6
Jamaica 49.9 49.9 49.9 49.9
Cameroon 50.6 50.8 50.8 50.4
Australia 52.1 51.1 50.1 49.9
Russian Federation 60.0 51.2 51.2 48.3
Mali 51.4 51.4 51.4 51.4
Morocco 51.7 51.7 44.4 52.9
Angola 52.1 52.1 52.1 52.1
St. Kitts and Nevis 52.3 52.3 52.3 52.5
Turkey 52.8 52.4 44.3 44.3
Austria 58.2 52.4 52.4 52.4
Togo 52.5 52.5 52.6 52.6
Japan 52.5 52.5 52.5 55.0
Cabo Verde 53.1 53.1 53.1 53.1
Mexico 55.7 53.1 52.3 51.5
Sweden 54.1 54.1 53.7 53.7
Costa Rica 55.2 55.2 55.2 55.2
Hungary 56.6 55.7 55.3 56.6
Albania 58.2 56.5 45.9 46.2
Ukraine 57.3 57.0 56.6 57.2
Puerto Rico 57.6 57.6 57.6 60.6
Belgium 59.5 59.3 57.3 55.2
Micronesia, Fed. Sts. 59.6 59.6 58.7 58.7
Sri Lanka 56.7 59.8 61.7 61.7
Tunisia 60.6 60.6 60.6 58.6
Spain 61.9 61.9 62.1 60.3
Nicaragua 63.5 63.5 63.5 63.2
Marshall Islands 64.8 64.8 64.8 64.8
Congo, Rep. 64.9 64.9 64.9 65.9
France 65.1 65.0 65.0 64.5
Kyrgyz Republic 68.1 67.2 61.4 61.4
Brazil 69.0 69.0 69.0 68.4
Uruguay 71.3 71.3 71.3 43.0
Palau 72.5 72.5 72.5 72.5
Chad 74.0 74.0 74.0 71.3
India 66.6 74.0 72.7 70.3
Italy 76.8 75.4 75.4 72.5
Benin 75.7 75.7 73.2 73.2
Algeria 76.9 76.9 74.2 73.8
Tajikistan 79.9 79.9 80.0 83.4
Bolivia 80.0 80.0 80.0 80.0
Guinea 80.7 80.7 80.7 80.7
China 80.0 80.7 81.2 79.9
Colombia 83.7 84.0 84.2 80.1
Eritrea 84.5 84.5 84.5 84.5
Mauritania 94.7 94.7 94.7 85.8
Argentina 107.5 107.6 107.6 107.6
Uzbekistan 96.7 112.1 90.3 89.8
Belarus 137.3 137.3 120.8 117.5
Central African Republic 65.7 203.8 203.8 203.8
Comoros 217.9 217.9 217.9 217.9
Sierra Leone 272.0 272.0 235.2 235.2
Burundi 279.7 279.7 279.7 279.7
Congo, Dem. Rep. 286.5 286.5 288.1 288.1
Gambia, The 286.0 292.1 292.1 292.1
Qatar 11.3 11.3
Myanmar
Cuba
Barbados
St. Martin (French part)
Monaco
Bermuda
New Caledonia
Turks and Caicos Islands
Malta
Guam
Macao SAR, China
Andorra
Liechtenstein
American Samoa
Aruba
Somalia
Libya
Turkmenistan
Cyprus 20.6
Tuvalu
Bahrain 14.7 13.5
Sint Maarten (Dutch part)
French Polynesia
Greenland
Korea, Dem. Rep.
Cayman Islands
Bahamas, The 44.9 44.9
South Sudan
Faeroe Islands
Isle of Man
Virgin Islands (U.S.)
Northern Mariana Islands
San Marino
Kosovo
Curacao

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