Country name 1980 1981 1982 1983 1984
Puerto Rico 18.5 20.1 18.9 18.1 16.2
Brunei Darussalam 14.5 17.5 19.5 21.7 25.5
China 21.6 22.0 21.8 22.4 24.8
Albania 21.4 24.6 24.5 22.6 22.9
Bulgaria 30.9 29.7 25.0 25.1 24.1
Somalia 23.6 24.0 24.2 26.1 24.8
Nepal 26.3 26.7 26.1 26.9 26.4
Burundi 25.1 25.3 27.7 27.3 26.0
Uganda 23.5 34.8 34.8 33.0 34.3
Ethiopia 32.6 34.3 33.6 38.0
Nigeria 31.5 32.1 33.7 31.8
Papua New Guinea 35.9 39.2 39.7 34.8 33.9
Mozambique 28.5 31.1 33.6 34.9 49.8
Liberia 36.0 35.4 36.2 35.8 36.1
Zambia 42.8 41.5 46.1 36.1 39.5
Malawi 33.7 38.5 37.9 36.3 37.9
Bhutan 44.6 41.2 38.5 36.3 35.5
Oman 28.1 30.4 34.2 36.4 38.0
Algeria 33.8 33.7 35.5 36.4 36.7
Gabon 32.8 35.5 33.2 36.7 34.2
Malta 32.0 34.2 35.0 37.0 35.9
Botswana 34.6 38.4 39.1 37.0 35.0
Indonesia 34.3 35.4 38.2 37.3 38.2
Rwanda 32.6 38.5 38.5 37.7 35.9
United Arab Emirates 26.8 31.1 36.2 37.9 36.3
Congo, Rep. 41.7 41.2 39.6 38.1 36.5
Niger 34.0 35.2 38.4 38.2 42.6
Philippines 36.1 35.9 37.8 38.4 37.3
Congo, Dem. Rep. 38.2 40.3 40.7 38.5 39.1
Latvia 37.2 36.2 37.3 39.0 38.5
Myanmar 40.8 40.2 39.7 39.6 38.7
Georgia 40.0 39.1 38.8 39.8 38.2
Cameroon 43.1 40.7 39.2 41.0 38.8
India 40.3 40.8 41.9 41.2 42.2
Malaysia 36.3 38.3 41.0 41.5 41.5
Bolivia 48.6 48.0 47.7 43.6 43.9
Mali 38.5 40.3 42.2 43.7 41.3
Togo 47.7 49.3 49.7 44.1 46.3
Central African Republic 39.9 41.4 45.2 45.0 43.0
Mauritania 43.6 41.9 43.5 45.0 46.0
Brazil 45.2 45.5 45.4 45.1 42.8
Sri Lanka 42.8 44.3 47.3 45.4 45.0
Guinea-Bissau 36.1 29.5 38.8 46.1 44.3
Kenya 46.6 47.2 46.7 46.4 47.1
Sierra Leone 45.0 48.0 47.1 47.1 46.2
Tunisia 47.7 47.8 49.8 47.4 45.3
Bangladesh 47.8 47.4 47.7 47.4 46.6
Chad 46.0 48.5 48.2 47.6 50.4
Pakistan 45.6 46.6 46.2 47.7 49.4
Tonga 47.1 48.0 49.4 48.0 46.0
Saudi Arabia 27.4 28.1 38.5 48.3 51.0
Colombia 47.6 48.7 48.9 48.5 48.2
Iran, Islamic Rep. 52.8 50.3 45.2 49.0 50.9
Thailand 48.1 48.5 51.9 49.4 50.5
Argentina 52.4 53.2 49.3 49.8 51.9
Lesotho 48.9 48.6 42.9 50.1 45.9
Egypt, Arab Rep. 45.0 42.2 48.0 50.4 50.7
Dominican Republic 47.6 50.1 50.8 50.4 49.2
Bahrain 39.9 41.2 46.1 50.7 49.9
Madagascar 53.9 52.8 52.4 50.7 51.7
Comoros 52.8 53.2 52.4 50.8 50.0
South Africa 45.4 47.9 50.1 50.9 52.0
Korea, Rep. 50.7 50.4 51.0 50.9 50.6
Sudan 53.0 49.3 48.5 51.0 53.3
Burkina Faso 50.1 49.9 52.1 51.0 50.5
Turkey 49.7 48.4 49.1 51.4 52.1
Benin 52.3 54.4 52.4 51.5 49.6
Morocco 51.1 53.1 52.0 51.6 52.0
Dominica 48.4 48.0 49.1 52.5 53.7
Guyana 40.9 47.3 47.7 53.0 50.9
Uruguay 53.5 51.0
Honduras 52.0 54.7 53.9 53.5 53.3
Costa Rica 53.6 52.7
Chile 55.3 57.1 59.8 54.2 52.0
Belize 41.7 46.4 53.2 54.3 52.2
Swaziland 47.1 47.1 50.0 54.9 50.9
Finland 52.4 53.7 54.5 55.0 55.6
Mongolia 58.3 56.3 55.3 55.8
Namibia 40.7 49.1 52.9 55.3 57.5
Ecuador 57.0 57.1 56.2 55.7 51.7
Venezuela, RB 48.8 50.7 53.2 55.8 42.0
New Zealand 55.0 54.9 55.3 55.9 55.1
Mexico 57.4 57.9 58.4 56.3 55.7
Cote d'Ivoire 54.4 54.9 54.6 56.6 56.3
Norway 57.5 57.4 57.5 57.0 55.3
St. Vincent and the Grenadines 59.2 58.5 58.2 57.9 58.5
Australia 54.3 54.2 56.1 58.9 57.1
Japan 57.9 57.8 58.6 59.4 59.0
Zimbabwe 55.3 55.3 59.2 59.7 52.5
Senegal 59.8 58.4 56.4 59.9 58.4
Suriname 52.0 52.6 56.9 60.4 59.1
Mauritius 60.7 59.7 58.8 60.5 57.8
Austria 58.0 58.7 60.1 60.8 61.6
Fiji 55.8 58.9 58.4 61.9 64.5
Cyprus 56.8 58.3 59.9 62.0 62.0
Grenada 62.2 59.9 60.6 62.8 63.3
Singapore 62.2 62.8 64.1 63.0 62.4
Sweden 62.4 63.5 63.7 63.4 62.0
St. Kitts and Nevis 57.5 64.5 61.5 63.6 65.1
Netherlands 63.6 62.8 63.7 64.5 63.2
Kiribati 70.2 63.7 65.5 65.1 50.0
Vanuatu 74.5 72.2 73.3 66.1 65.4
Jordan 68.0 66.6 65.9 66.3 66.7
St. Lucia 62.0 64.0 65.3 66.7 67.0
France 65.2 66.2 66.2 67.0 67.7
Cuba 68.1 67.9 68.1 68.1 68.1
Barbados 67.5 70.2 71.4 69.7 69.5
Cabo Verde 64.5 66.9 71.6 70.7 70.5
Panama 71.5 72.2 72.8 73.5 73.7
Seychelles 77.5 74.5 78.0 76.5 77.0
Antigua and Barbuda 74.8 74.8 79.2 79.6 79.8
Curacao
Luxembourg
Lithuania
Macao SAR, China
Belgium
Macedonia, FYR
Equatorial Guinea
Liechtenstein
Angola
French Polynesia
Sao Tome and Principe
Lao PDR
Belarus
Kyrgyz Republic
Bermuda
Maldives
Switzerland
Kuwait
Cayman Islands
Kosovo
United States
Marshall Islands
Yemen, Rep.
Sint Maarten (Dutch part)
Ghana 27.6 35.2 34.2 36.9
Korea, Dem. Rep.
Kazakhstan
Slovenia
Jamaica
Micronesia, Fed. Sts.
Spain
Moldova
St. Martin (French part)
Monaco
Djibouti
Italy
Libya
Montenegro
Trinidad and Tobago 52.0
Israel
Turks and Caicos Islands
Isle of Man
Andorra
Ireland
Uzbekistan
Iraq
Virgin Islands (U.S.)
Iceland
Afghanistan 100.0 100.0
Hungary
Greece
Germany
Serbia
New Caledonia
Hong Kong SAR, China
Gambia, The
Nicaragua
Slovak Republic
Bahamas, The 83.9
Solomon Islands
Azerbaijan
Northern Mariana Islands
South Sudan
Haiti
Faeroe Islands
Guinea
Estonia
Guatemala
Eritrea
Palau
El Salvador
Tajikistan
Denmark
Czech Republic
Syrian Arab Republic
Guam
Tanzania
Paraguay
Timor-Leste
Peru
Croatia
Aruba
Bosnia and Herzegovina
Poland
Turkmenistan
Portugal
Tuvalu
Armenia
Ukraine
Qatar
United Kingdom
Romania 27.0 24.9
Canada
Russian Federation
Cambodia
Greenland
Vietnam
Samoa
West Bank and Gaza
San Marino
American Samoa
Lebanon

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