Country name 1981 1982 1983 1984 1985
Nepal 0.0 0.0 0.0 0.0 0.0
Burundi 0.0 0.0 0.0 0.0 0.0
Uganda 0.0 0.0 0.0 0.0 0.0
Somalia 0.0 0.1 0.2 0.1 0.1
Cambodia 0.0 0.0 0.1 0.1 0.1
Lao PDR 0.0 0.0 0.1 0.1 0.1
Chad 0.0 0.0 0.0 0.0 0.0
Ethiopia 0.1 0.0 0.0 0.0 0.0
Mali 0.1 0.0 0.1 0.1 0.1
Central African Republic 0.1 0.1 0.1 0.1 0.1
Bhutan 0.1 0.1 0.1 0.1 0.1
Burkina Faso 0.1 0.1 0.1 0.1 0.1
Bangladesh 0.1 0.1 0.1 0.1 0.1
Malawi 0.1 0.1 0.1 0.1 0.1
Tanzania 0.1 0.1 0.1 0.1 0.1
Niger 0.1 0.1 0.1 0.1 0.1
Benin 0.1 0.1 0.1 0.1 0.2
Rwanda 0.1 0.1 0.1 0.1 0.1
Cabo Verde 0.1 0.1 0.1 0.3 0.3
Madagascar 0.1 0.1 0.1 0.1 0.1
Haiti 0.1 0.1 0.1 0.1 0.1
Congo, Dem. Rep. 0.1 0.1 0.1 0.1 0.1
Comoros 0.1 0.1 0.1 0.1 0.2
Afghanistan 0.2 0.2 0.2 0.2 0.3
Myanmar 0.2 0.2 0.2 0.2 0.2
Guinea-Bissau 0.2 0.2 0.2 0.2 0.2
Sudan 0.2 0.2 0.2 0.2 0.2
Mozambique 0.2 0.2 0.2 0.1 0.1
Guinea 0.2 0.2 0.2 0.2 0.2
Sierra Leone 0.2 0.2 0.2 0.2 0.2
Togo 0.2 0.3 0.2 0.2 0.2
Gambia, The 0.3 0.2 0.2 0.2 0.2
Congo, Rep. 0.3 0.7 0.6 0.6 0.6
Sri Lanka 0.3 0.3 0.3 0.2 0.2
Ghana 0.3 0.3 0.3 0.2 0.3
Maldives 0.3 0.3 0.3 0.3 0.3
Equatorial Guinea 0.3 0.3 0.2 0.3 0.2
Vietnam 0.3 0.3 0.3 0.3 0.4
St. Vincent and the Grenadines 0.4 0.4 0.5 0.6 0.6
Kenya 0.4 0.3 0.3 0.2 0.2
El Salvador 0.4 0.4 0.4 0.3 0.4
Mauritania 0.4 0.5 0.6 0.5 0.4
Pakistan 0.4 0.4 0.5 0.5 0.5
Vanuatu 0.4 0.4 0.4 0.4 0.9
Paraguay 0.4 0.4 0.4 0.4 0.4
Sao Tome and Principe 0.5 0.5 0.5 0.5 0.5
Honduras 0.5 0.5 0.5 0.5 0.4
Dominica 0.5 0.5 0.5 0.6 0.6
Kiribati 0.5 0.4 0.4 0.4 0.3
Yemen, Rep. 0.5 0.7 0.7 0.8 0.9
Tonga 0.5 0.5 0.5 0.5 0.5
Cote d'Ivoire 0.5 0.7 0.5 0.6 0.7
India 0.5 0.5 0.6 0.6 0.6
Guatemala 0.5 0.5 0.4 0.4 0.4
Zambia 0.5 0.6 0.5 0.4 0.4
Mauritius 0.6 0.5 0.6 0.6 0.7
Solomon Islands 0.6 0.5 0.6 0.5 0.6
Senegal 0.6 0.5 0.4 0.5 0.4
Cameroon 0.6 0.7 0.7 0.6 0.6
Papua New Guinea 0.6 0.6 0.6 0.6 0.6
Angola 0.6 0.5 0.6 0.5 0.5
Nicaragua 0.6 0.6 0.6 0.5 0.5
Grenada 0.6 0.7 0.6 0.6 0.6
Samoa 0.7 0.7 0.7 0.7 0.7
Indonesia 0.7 0.7 0.7 0.7 0.7
Swaziland 0.7 0.7 0.4 0.5 0.6
Philippines 0.7 0.7 0.7 0.6 0.5
Morocco 0.8 0.8 0.8 0.8 0.8
Thailand 0.8 0.8 0.8 0.9 0.9
St. Lucia 0.8 0.9 0.8 0.9 1.0
Djibouti 0.8 0.9 0.9 0.9 0.8
Bolivia 0.8 0.7 0.7 0.7 0.7
Nigeria 0.9 0.8 0.8 0.9 0.8
Costa Rica 0.9 0.8 0.8 0.8 0.8
Botswana 1.0 1.0 0.9 0.9 1.0
Liberia 1.0 0.3 0.3 0.3 0.3
Dominican Republic 1.0 1.0 1.3 1.2 1.1
Egypt, Arab Rep. 1.1 1.2 1.2 1.3 1.3
Belize 1.2 1.1 1.1 1.1 1.2
Zimbabwe 1.2 1.1 1.3 1.2 1.2
St. Kitts and Nevis 1.3 1.5 1.2 1.2 1.2
Peru 1.4 1.3 1.1 1.1 1.0
Brazil 1.4 1.3 1.3 1.3 1.3
China 1.5 1.6 1.6 1.8 1.9
Tunisia 1.5 1.4 1.6 1.6 1.6
Seychelles 1.5 1.3 1.5 1.5 2.2
Antigua and Barbuda 1.5 4.3 1.2 2.2 3.8
Colombia 1.6 1.6 1.7 1.6 1.6
Panama 1.6 1.6 1.6 1.3 1.2
Fiji 1.7 1.3 1.0 0.8 0.8
Turkey 1.8 1.9 1.9 2.0 2.2
Uruguay 1.8 1.6 1.3 1.2 1.1
Ecuador 2.0 2.3 2.3 2.4 2.1
French Polynesia 2.1 2.1 2.5 2.7 3.3
Macao SAR, China 2.1 1.9 2.5 2.1 2.5
Chile 2.2 1.8 1.8 1.9 1.8
Malaysia 2.2 2.1 2.5 2.3 2.3
Guyana 2.3 1.8 1.6 1.8 1.9
Iraq 2.3 2.1 2.6 2.6 2.9
Algeria 2.3 1.9 2.5 3.2 3.2
Lebanon 2.4 2.3 2.8 2.6 3.0
Jordan 2.6 2.7 3.0 3.3 3.2
Albania 2.7 2.6 2.7 2.7 2.7
Barbados 2.7 2.5 2.7 2.9 3.3
Portugal 2.8 3.0 3.0 2.9 2.7
Iran, Islamic Rep. 2.8 3.3 3.4 3.3 3.4
Syrian Arab Republic 2.9 2.5 2.8 3.2 2.8
Cuba 3.3 3.5 3.1 3.3 3.2
Jamaica 3.4 2.8 2.9 2.3 2.2
Argentina 3.6 3.6 3.6 3.6 3.3
Malta 3.6 4.0 3.0 4.1 3.6
Hong Kong SAR, China 3.6 3.7 3.9 4.1 4.2
Korea, Rep. 3.6 3.6 3.8 4.1 4.4
Mongolia 3.8 3.8 3.8 3.4 4.7
Mexico 4.0 4.2 3.8 3.7 3.7
Cyprus 4.4 4.5 4.5 4.6 4.4
Oman 4.9 4.4 5.5 5.6 5.8
Greece 5.2 5.3 5.6 5.8 6.1
New Zealand 5.3 5.8 5.6 6.0 6.7
Israel 5.4 6.0 5.8 5.7 5.9
Spain 5.5 5.5 5.4 5.2 5.2
Suriname 5.6 5.1 3.8 4.2 4.3
Venezuela, RB 5.8 5.8 5.6 5.5 5.8
Switzerland 6.1 5.7 6.2 6.1 6.2
Italy 6.7 6.5 6.4 6.5 6.6
Bermuda 7.1 7.1 8.1 7.9 7.9
Brunei Darussalam 7.4 10.2 12.8 8.8 11.6
Austria 7.4 7.1 6.9 7.2 7.2
Ireland 7.5 7.3 7.3 7.2 7.6
Iceland 7.6 6.8 6.5 7.6 6.7
Japan 7.9 7.6 7.4 7.8 7.6
Hungary 8.1 8.1 8.3 8.5 8.1
France 8.2 7.8 7.5 7.2 7.1
Sweden 8.3 7.5 7.0 6.9 7.5
Norway 8.4 8.3 7.7 8.3 8.9
Libya 8.7 8.9 8.5 7.7 8.2
Gabon 8.8 8.5 7.0 7.4 7.6
Romania 8.8 8.7 8.9 8.4 8.5
Bulgaria 9.0 10.1 10.1 9.7 10.0
South Africa 9.1 9.7 9.8 10.4 10.4
Cayman Islands 9.4 9.5 9.6 10.1 10.1
New Caledonia 9.8 8.7 7.8 8.0 9.4
United Kingdom 10.0 9.7 9.7 9.4 9.9
Faroe Islands 10.1 10.4 10.9 11.0 11.3
Denmark 10.1 10.5 9.8 10.0 11.7
Greenland 10.4 10.0 7.0 10.8 9.6
Singapore 10.6 11.2 13.1 12.2 12.2
Finland 10.7 8.9 8.6 8.7 10.1
Poland 11.4 11.7 11.5 11.8 12.0
Netherlands 11.6 9.4 9.6 10.1 10.2
Belgium 12.6 11.9 10.3 10.7 10.6
Palau 12.7 12.4 12.1 11.8 11.8
Bahamas, The 13.0 10.3 9.0 8.1 6.4
Australia 15.4 15.4 14.6 15.2 15.3
Trinidad and Tobago 15.7 16.4 14.3 15.2 17.7
Saudi Arabia 16.6 14.1 13.5 12.3 12.9
Canada 17.3 16.5 16.1 16.6 16.3
Kuwait 17.4 13.9 13.6 17.1 16.8
United States 19.8 18.6 18.6 19.0 18.9
Bahrain 22.8 25.5 20.8 22.6 24.3
Luxembourg 25.8 24.2 22.7 24.4 25.0
United Arab Emirates 33.7 31.8 29.0 36.2 37.0
Qatar 51.8 44.6 36.4 36.1 33.4
Guam
Tajikistan
Micronesia, Fed. Sts.
Montenegro
Monaco
Curacao
Sint Maarten (Dutch part)
Czech Republic
Slovak Republic
Liechtenstein
Slovenia
Lesotho
Croatia
Turks and Caicos Islands
Andorra
Moldova
Uzbekistan
San Marino
Northern Mariana Islands
Lithuania
Serbia
Kazakhstan
Namibia
Belarus
Korea, Dem. People’s Rep.
Timor-Leste
Puerto Rico
Estonia
Germany
Azerbaijan
Isle of Man
Turkmenistan
St. Martin (French part)
Tuvalu
Bosnia and Herzegovina
Ukraine
Macedonia, FYR
Georgia
Latvia
Aruba
Virgin Islands (U.S.)
Armenia
South Sudan
Kyrgyz Republic
Marshall Islands
West Bank and Gaza
Russian Federation
American Samoa
Eritrea

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