Country name 1980 1981 1982 1983 1984
Germany 1.4 1.4 1.4 1.3 1.3
Denmark 1.6 1.4 1.4 1.4 1.4
Luxembourg 1.5 1.6 1.5 1.4 1.4
Switzerland 1.6 1.6 1.6 1.5 1.5
Netherlands 1.6 1.6 1.5 1.5 1.5
Italy 1.6 1.6 1.6 1.5 1.5
Sweden 1.7 1.6 1.6 1.6 1.7
Finland 1.6 1.6 1.7 1.7 1.7
Belgium 1.7 1.7 1.6 1.6 1.5
Austria 1.7 1.7 1.7 1.6 1.5
Norway 1.7 1.7 1.7 1.7 1.7
Canada 1.7 1.7 1.7 1.7 1.7
Singapore 1.7 1.7 1.7 1.6 1.6
Japan 1.8 1.7 1.8 1.8 1.8
Macao SAR, China 1.7 1.8 1.9 2.0 2.0
United States 1.8 1.8 1.8 1.8 1.8
United Kingdom 1.9 1.8 1.8 1.8 1.8
Cuba 1.9 1.8 1.8 1.8 1.8
France 1.9 1.9 1.9 1.9 1.9
Malta 2.0 1.9 1.9 1.9 2.0
Latvia 1.9 1.9 2.0 2.1 2.1
Hungary 1.9 1.9 1.8 1.8 1.8
Russian Federation 1.9 1.9 2.0 2.1 2.1
Ukraine 2.0 1.9 2.0 2.1 2.1
Hong Kong SAR, China 2.0 1.9 1.9 1.7 1.6
Australia 1.9 1.9 1.9 1.9 1.8
Barbados 2.0 2.0 1.9 1.9 1.9
Slovenia 2.0 2.0 1.9 1.8 1.7
Lithuania 2.0 2.0 2.0 2.1 2.1
Croatia 2.0 2.0 1.9 1.9 1.9
Bulgaria 2.1 2.0 2.0 2.0 2.0
Czech Republic 2.1 2.0 2.0 2.0 2.0
New Zealand 2.0 2.0 2.0 1.9 1.9
Belarus 2.0 2.0 2.1 2.1 2.1
Spain 2.2 2.0 1.9 1.8 1.7
Bosnia and Herzegovina 2.1 2.1 2.0 2.0 2.0
Estonia 2.0 2.1 2.1 2.2 2.2
Greece 2.2 2.1 2.0 1.9 1.8
Antigua and Barbuda 2.1 2.1 2.1 2.1 2.1
Serbia 2.1
Portugal 2.3 2.1 2.1 2.0 1.9
Montenegro 2.3 2.2 2.2 2.1 2.1
Poland 2.3 2.2 2.3 2.4 2.4
Slovak Republic 2.3 2.3 2.3 2.3 2.3
Georgia 2.3 2.3 2.3 2.3 2.3
Iceland 2.5 2.3 2.3 2.2 2.1
Romania 2.4 2.4 2.2 2.1 2.3
Armenia 2.4 2.4 2.4 2.4 2.4
Aruba 2.4 2.4 2.4 2.4 2.3
Cyprus 2.4 2.4 2.4 2.4 2.5
Moldova 2.5 2.5 2.5 2.6 2.6
Mauritius 2.7 2.5 2.4 2.3 2.2
Macedonia, FYR 2.6 2.5 2.5 2.5 2.4
Puerto Rico 2.6 2.5 2.5 2.4 2.4
Korea, Rep. 2.8 2.6 2.4 2.1 1.7
Chile 2.7 2.7 2.7 2.7 2.7
Uruguay 2.7 2.7 2.6 2.6 2.5
China 2.7 2.7 2.7 2.7 2.8
Korea, Dem. Rep. 2.7 2.7 2.7 2.7 2.7
Kazakhstan 2.9 3.0 3.0 3.0 3.1
Bahamas, The 3.0 3.0 3.0 3.0 2.9
Ireland 3.2 3.1 2.9 2.7 2.6
Virgin Islands (U.S.) 3.1 3.1 3.0 3.0 3.0
Guam 3.2 3.2 3.1 3.1 3.1
Azerbaijan 3.3 3.2 3.1 3.0 3.0
Israel 3.2 3.2 3.1 3.1 3.1
Thailand 3.4 3.2 3.0 2.9 2.7
Argentina 3.3 3.3 3.2 3.2 3.1
Trinidad and Tobago 3.3 3.3 3.3 3.2 3.2
Sri Lanka 3.4 3.3 3.2 3.1 3.0
Guyana 3.6 3.4 3.1 2.9 2.7
Albania 3.7 3.6 3.5 3.4 3.3
Costa Rica 3.6 3.6 3.5 3.5 3.5
New Caledonia 3.4 3.6 3.4 3.3 3.2
Jamaica 3.7 3.6 3.6 3.5 3.4
Malaysia 3.8 3.8 3.7 3.7 3.7
Panama 3.9 3.8 3.7 3.6 3.5
Suriname 3.9 3.8 3.7 3.6 3.5
St. Vincent and the Grenadines 4.0 3.8 3.7 3.6 3.4
Fiji 3.9 3.9 3.8 3.8 3.7
Colombia 4.0 3.9 3.7 3.6 3.5
Lebanon 4.0 3.9 3.8 3.7 3.6
French Polynesia 4.0 3.9 3.9 3.8 3.8
Brazil 4.1 4.0 3.8 3.7 3.6
Kyrgyz Republic 4.0 4.0 4.1 4.1 4.1
Brunei Darussalam 4.2 4.1 4.0 3.9 3.8
Venezuela, RB 4.2 4.1 4.0 3.9 3.9
Turkey 4.4 4.2 4.1 4.0 3.8
Grenada 4.3 4.2 4.2 4.2 4.2
Indonesia 4.4 4.3 4.2 4.0 3.9
Dominican Republic 4.4 4.3 4.2 4.1 4.0
Mexico 4.7 4.5 4.3 4.2 4.0
St. Lucia 4.7 4.5 4.3 4.2 4.0
India 4.7 4.6 4.5 4.4 4.4
Ecuador 4.7 4.6 4.5 4.4 4.3
South Africa 4.8 4.7 4.6 4.5 4.4
Bahrain 4.9 4.8 4.7 4.6 4.5
Vietnam 5.0 4.9 4.7 4.5 4.4
Peru 5.0 4.9 4.7 4.6 4.5
Myanmar 5.0 4.9 4.8 4.6 4.5
Turkmenistan 5.0 4.9 4.8 4.8 4.7
Timor-Leste 4.8 5.0 5.1 5.3 5.3
Uzbekistan 5.1 5.0 4.8 4.7 4.6
El Salvador 5.1 5.0 4.9 4.7 4.6
Kiribati 5.1 5.1 5.0 5.0 4.9
Philippines 5.2 5.1 5.0 4.9 4.8
Tunisia 5.3 5.2 5.0 4.8 4.6
Paraguay 5.2 5.2 5.2 5.2 5.1
Egypt, Arab Rep. 5.4 5.3 5.3 5.2 5.1
Kuwait 5.5 5.3 5.1 4.8 4.5
United Arab Emirates 5.4 5.3 5.3 5.2 5.1
Bolivia 5.5 5.4 5.3 5.3 5.2
Vanuatu 5.6 5.5 5.4 5.4 5.3
Tonga 5.6 5.5 5.5 5.4 5.3
Lesotho 5.6 5.5 5.5 5.4 5.4
Morocco 5.7 5.6 5.4 5.3 5.1
Tajikistan 5.7 5.6 5.6 5.5 5.5
Papua New Guinea 5.7 5.6 5.5 5.4 5.3
Qatar 5.8 5.7 5.5 5.3 5.1
Belize 5.8 5.7 5.5 5.3 5.2
Gabon 5.7 5.7 5.7 5.7 5.7
Nepal 5.8 5.7 5.7 5.6 5.6
Equatorial Guinea 5.7 5.8 5.8 5.8 5.8
Cambodia 5.7 5.9 6.0 6.1 6.2
Central African Republic 6.0 6.0 6.0 6.0 6.0
Nicaragua 6.1 6.0 5.9 5.7 5.6
Mongolia 6.2 6.0 5.9 5.7 5.5
Samoa 6.2 6.1 6.0 5.9 5.7
Congo, Rep. 6.2 6.1 6.0 6.0 5.9
Haiti 6.1 6.1 6.2 6.1 6.1
Botswana 6.2 6.1 6.0 5.9 5.7
Micronesia, Fed. Sts. 6.2 6.1 6.0 5.9 5.8
Guatemala 6.2 6.2 6.1 6.1 6.0
Honduras 6.3 6.2 6.1 5.9 5.8
Bangladesh 6.4 6.2 6.1 5.9 5.7
Cabo Verde 6.4 6.3 6.2 6.1 6.0
Lao PDR 6.3 6.3 6.3 6.4 6.4
Gambia, The 6.3 6.3 6.3 6.3 6.2
Sao Tome and Principe 6.4 6.3 6.3 6.2 6.1
Madagascar 6.5 6.4 6.2 6.2 6.1
Namibia 6.5 6.4 6.3 6.1 6.0
Mauritania 6.4 6.4 6.3 6.3 6.2
Djibouti 6.4 6.4 6.3 6.3 6.2
Guinea-Bissau 6.3 6.4 6.5 6.6 6.7
Ghana 6.5 6.5 6.4 6.3 6.2
Mozambique 6.5 6.5 6.5 6.4 6.4
Iraq 6.6 6.5 6.4 6.3 6.3
Bhutan 6.6 6.5 6.5 6.4 6.4
Pakistan 6.5 6.5 6.5 6.5 6.4
Iran, Islamic Rep. 6.5 6.5 6.5 6.5 6.4
Guinea 6.5 6.6 6.6 6.6 6.6
Tanzania 6.7 6.6 6.6 6.5 6.5
Swaziland 6.7 6.6 6.6 6.5 6.5
Eritrea 6.6 6.6 6.6 6.6 6.6
Solomon Islands 6.7 6.6 6.5 6.4 6.3
Congo, Dem. Rep. 6.6 6.6 6.7 6.7 6.8
Cameroon 6.6 6.7 6.7 6.7 6.7
Sudan 6.8 6.7 6.7 6.6 6.5
Algeria 6.9 6.7 6.6 6.4 6.2
Nigeria 6.8 6.8 6.8 6.7 6.7
South Sudan 6.9 6.8 6.8 6.8 6.8
Zimbabwe 7.1 7.0 6.8 6.6 6.4
Liberia 7.0 7.0 7.0 6.9 6.9
Syrian Arab Republic 7.1 7.0 6.8 6.7 6.5
Chad 7.0 7.0 7.0 7.1 7.1
Benin 7.0 7.0 7.0 7.0 7.0
Somalia 7.0 7.0 7.1 7.1 7.1
Sierra Leone 7.1 7.0 7.0 7.0 6.9
Mali 7.0 7.1 7.1 7.1 7.1
Zambia 7.2 7.1 7.0 6.9 6.9
Uganda 7.1 7.1 7.1 7.1 7.1
Comoros 7.1 7.1 7.0 6.9 6.8
Saudi Arabia 7.2 7.1 7.1 6.9 6.8
Maldives 7.1 7.1 7.2 7.2 7.2
Burkina Faso 7.1 7.2 7.2 7.2 7.2
Togo 7.2 7.2 7.1 7.0 7.0
Jordan 7.3 7.2 7.1 6.9 6.8
Angola 7.2 7.2 7.2 7.2 7.2
Senegal 7.4 7.3 7.3 7.2 7.2
Ethiopia 7.3 7.4 7.4 7.4 7.4
Kenya 7.5 7.4 7.3 7.2 7.0
Burundi 7.5 7.4 7.5 7.5 7.5
Cote d'Ivoire 7.6 7.5 7.4 7.3 7.1
Malawi 7.6 7.6 7.6 7.6 7.6
Libya 7.8 7.6 7.4 7.2 6.9
Afghanistan 7.7 7.7 7.7 7.7 7.7
Niger 7.7 7.7 7.8 7.8 7.8
Oman 8.3 8.3 8.4 8.3 8.3
Rwanda 8.4 8.4 8.4 8.4 8.4
Yemen, Rep. 9.0 9.1 9.2 9.2 9.2
Sint Maarten (Dutch part)
Taiwan, China
Faeroe Islands
St. Kitts and Nevis 3.3
San Marino
Isle of Man
Dominica 3.5
St. Martin (French part) 2.4 2.4 2.3
Curacao
Northern Mariana Islands
Marshall Islands
Bermuda
Cayman Islands
Monaco
Andorra
Greenland
Palau
American Samoa
Turks and Caicos Islands
West Bank and Gaza
Tuvalu
Liechtenstein
Seychelles 3.5

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