Country name 1981 1982 1983 1984 1985
Puerto Rico 20.1 18.9 18.1 16.2 15.5
Brunei Darussalam 17.5 19.5 21.7 25.5 27.0
China 22.6 22.5 23.1 25.5 29.3
Somalia 24.0 24.2 26.1 24.8 25.6
Albania 24.6 24.5 22.6 22.9 22.1
Romania 27.0 24.9
Bulgaria 29.7 25.0 25.1 24.1 25.3
Nepal 26.7 26.1 26.9 26.4 33.2
Burundi 25.3 27.7 27.3 26.0 25.5
Nigeria 31.5 32.1 33.7 31.8 30.9
Mozambique 31.1 33.6 34.9 49.8 39.3
Oman 30.4 34.2 36.4 38.0 37.9
Ghana 35.2 34.2 36.9 33.6
Ethiopia 32.6 34.3 33.6 38.0 35.0
Uganda 34.8 34.8 33.0 34.3 37.4
Malta 34.2 35.0 37.0 35.9 36.4
Algeria 33.7 35.5 36.4 36.7 37.4
Philippines 35.9 37.8 38.4 37.3 40.4
Malawi 38.5 37.9 36.3 37.9 35.2
Indonesia 35.4 38.2 37.3 38.2 40.9
Niger 35.2 38.4 38.2 42.6 42.3
Bhutan 41.2 38.5 36.3 35.5 36.8
Rwanda 38.5 38.5 37.7 35.9 35.5
Saudi Arabia 28.2 38.6 48.4 51.1 54.9
Guinea-Bissau 29.5 38.8 46.1 44.3 37.9
Georgia 39.1 38.8 39.8 38.2 35.1
Botswana 38.4 39.1 37.0 35.0 32.4
Cameroon 40.7 39.2 41.0 38.8 42.5
Congo, Rep. 41.2 39.6 38.1 36.5 38.6
Papua New Guinea 39.2 39.7 34.8 33.9 34.9
Myanmar 40.2 39.7 39.6 38.7 38.7
Malaysia 37.1 39.9 40.8 40.4 40.5
Congo, Dem. Rep. 40.3 40.7 38.5 39.1 37.1
India 40.8 41.9 41.2 42.2 43.4
Lesotho 48.6 42.9 50.1 45.9 46.0
Mauritania 41.9 43.5 45.0 46.0 44.6
Central African Republic 41.4 45.2 45.0 43.0 36.5
Mali 43.0 45.4 46.8 45.3 45.2
Brazil 45.5 45.4 45.1 42.8 43.1
Iran, Islamic Rep. 50.9 45.7 49.4 51.6 55.1
Bahrain 41.2 46.1 50.7 49.9 50.4
Zambia 41.5 46.1 36.1 39.5 38.6
Pakistan 46.6 46.2 47.7 49.4 49.0
Bangladesh 46.1 46.5 46.2 41.8 44.4
Kenya 47.2 46.7 46.4 47.1 48.3
Sierra Leone 48.0 47.1 47.1 46.2 41.2
Sri Lanka 44.3 47.3 45.4 45.0 46.1
Bolivia 48.0 47.7 43.6 43.9 44.6
Guyana 47.3 47.7 53.0 50.9 48.5
Egypt, Arab Rep. 42.2 48.0 50.4 50.7 51.5
Chad 48.5 48.2 47.6 50.4 48.9
Sudan 49.3 48.5 51.0 53.3 50.0
Colombia 48.7 48.9 48.5 48.2 47.0
Dominica 48.0 49.1 52.5 53.7 55.4
Turkey 48.4 49.1 51.4 52.1 52.6
Argentina 53.2 49.3 49.8 51.9 53.1
Tonga 48.0 49.4 48.0 46.0 47.3
Togo 49.3 49.7 44.1 46.3 44.7
Tunisia 47.8 49.8 47.4 45.3 44.4
Swaziland 47.1 50.0 54.9 50.9 53.3
South Africa 47.9 50.1 50.9 52.0 51.2
Dominican Republic 50.1 50.8 50.4 49.2 65.6
Korea, Rep. 50.4 51.0 50.9 50.6 51.4
Thailand 48.5 51.9 49.4 50.5 52.3
Morocco 53.1 52.0 51.6 52.0 51.0
Burkina Faso 49.9 52.1 51.0 50.5 44.9
Madagascar 52.8 52.4 50.7 51.7 51.5
Benin 54.4 52.4 51.5 49.6 51.8
Comoros 53.2 52.4 50.8 50.0 49.8
Namibia 49.1 52.9 55.3 57.5 52.7
Belize 46.4 53.2 54.3 52.2 54.7
Venezuela, RB 50.7 53.2 55.8 42.0 42.9
Honduras 54.7 53.9 53.5 53.3 54.2
Finland 53.7 54.5 55.0 55.6 57.1
Cote d'Ivoire 54.9 54.6 56.6 56.3 53.7
New Zealand 54.8 55.3 56.0 55.1 58.5
Australia 54.2 56.1 58.9 57.1 57.0
Ecuador 57.1 56.2 55.7 51.7 51.6
Mongolia 58.3 56.3 55.3 55.8 56.4
Senegal 58.4 56.4 59.9 58.4 56.2
Suriname 52.6 56.9 60.4 59.1 60.7
Norway 57.6 57.7 57.2 55.5 56.2
Fiji 58.9 58.4 61.9 64.5 62.2
Mexico 57.9 58.4 56.3 55.7 54.7
Japan 57.8 58.6 59.4 59.0 59.1
Mauritius 59.7 58.8 60.5 57.8 54.0
Zimbabwe 55.3 59.2 59.7 52.5 49.3
Chile 57.1 59.8 54.2 52.0 54.8
Cyprus 58.3 59.9 62.0 62.0 64.0
Austria 58.7 60.1 60.8 61.6 61.8
Grenada 59.9 60.6 62.8 63.3 65.4
Sweden 63.5 63.7 63.4 62.0 61.8
Netherlands 62.7 63.7 64.4 63.1 63.0
Singapore 62.8 64.1 63.0 62.4 65.6
St. Lucia 64.0 65.3 66.7 67.0 66.6
Kiribati 63.7 65.5 65.1 50.0 57.2
Jordan 66.6 65.9 66.3 66.7 69.9
France 66.2 66.2 67.0 67.7 67.9
Cuba 67.9 68.1 68.1 68.1 68.2
St. Vincent and the Grenadines 67.8 68.2 69.3 67.6 66.9
St. Kitts and Nevis 72.7 69.9 71.3 72.4 74.9
Cabo Verde 66.9 71.6 70.7 70.5 69.0
Panama 72.2 72.8 73.5 73.7 71.7
Vanuatu 72.2 73.3 66.1 65.4 62.7
Seychelles 74.5 78.0 76.5 77.0 75.9
Antigua and Barbuda 74.8 79.2 79.6 79.8 78.5
Isle of Man
Guatemala
Ireland
Russian Federation
Liberia
Angola 50.0
Czech Republic
Libya
Liechtenstein
Portugal
Lithuania
Sao Tome and Principe
Luxembourg
Bahamas, The 83.9 84.0
Macao SAR, China
Italy
Macedonia, FYR
Tanzania
Faeroe Islands
Curacao
Tuvalu
Israel
Qatar
Maldives
Samoa
Sint Maarten (Dutch part)
Guinea
Croatia
Iraq
Slovenia
Marshall Islands
South Sudan
Costa Rica 53.6 52.7 55.0
Kazakhstan
Djibouti
Greenland
El Salvador
Syrian Arab Republic 54.8
Micronesia, Fed. Sts.
Timor-Leste
Moldova
Monaco
Turkmenistan
Iceland
West Bank and Gaza
Montenegro
Uruguay 53.5 51.0 50.5
Gambia, The
Eritrea
Gabon
Belgium
Hungary
San Marino
Hong Kong SAR, China
Belarus
Barbados
Serbia
Cayman Islands
United Kingdom
Korea, Dem. Rep.
Germany
Slovak Republic
Haiti
Solomon Islands
Nicaragua
Azerbaijan
Canada
Spain
Cambodia
Denmark
Northern Mariana Islands
St. Martin (French part)
Equatorial Guinea
Guam
Greece
Aruba
French Polynesia
Switzerland
Palau
Tajikistan 25.0
Ukraine
Estonia
Jamaica
Armenia
Paraguay
Trinidad and Tobago 52.0 53.1
Peru
Andorra
Bermuda
Turks and Caicos Islands
Poland
American Samoa
Bosnia and Herzegovina
United Arab Emirates
New Caledonia
United States
Kuwait
Uzbekistan
Vietnam 32.5
Kyrgyz Republic
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Afghanistan
Lebanon

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