Country name 1981 1982 1983 1984 1985
Afghanistan 46 46 47 47 47
Albania 35 35 35 34 34
Algeria 46 46 46 46 45
American Samoa
Andorra
Angola 47 47 47 48 47
Antigua and Barbuda 32 32 31 30 30
Argentina 31 31 31 31 31
Armenia 30 30 30 30 30
Aruba 26 25 25 25 25
Australia 25 24 24 24 24
Austria 20 19 19 19 18
Azerbaijan 34 33 33 33 33
Bahamas, The 36 36 36 35 35
Bahrain 34 34 34 34 34
Bangladesh 45 45 44 44 44
Barbados 29 28 28 27 27
Belarus 23 23 23 23 23
Belgium 20 19 19 19 19
Belize 46 46 45 45 45
Benin 45 45 45 46 46
Bermuda
Bhutan 43 43 43 44 44
Bolivia 42 42 42 42 42
Bosnia and Herzegovina 28 27 27 27 26
Botswana 47 47 47 46 46
Brazil 38 38 38 37 37
Brunei Darussalam 38 38 38 38 38
Bulgaria 22 22 22 22 22
Burkina Faso 46 46 46 47 47
Burundi 45 45 45 45 46
Cabo Verde 46 46 46 45 45
Cambodia 41 41 41 42 42
Cameroon 45 45 45 46 46
Canada 22 22 22 21 21
Cayman Islands
Central African Republic 42 42 42 42 42
Chad 45 46 46 46 46
Chile 33 32 32 31 31
China 35 34 33 32 31
Colombia 40 40 39 38 38
Comoros 46 46 46 46 46
Congo, Dem. Rep. 45 45 45 45 45
Congo, Rep. 45 45 45 45 45
Costa Rica 37 36 36 35 35
Cote d'Ivoire 46 46 46 45 45
Croatia 21 21 21 21 21
Cuba 30 29 28 27 26
Curacao 30 29 29 28 28
Cyprus 25 25 25 25 25
Czech Republic 24 24 24 24 23
Denmark 20 20 19 19 18
Djibouti 46 46 45 45 45
Dominica
Dominican Republic 42 42 41 41 41
Ecuador 42 41 41 40 40
Egypt, Arab Rep. 40 40 40 40 40
El Salvador 43 43 43 43 42
Equatorial Guinea 41 39 37 36 35
Eritrea 46 46 46 46 46
Estonia 22 22 22 22 22
Ethiopia 45 46 46 46 46
Faeroe Islands
Fiji 39 39 39 39 39
Finland 20 20 20 19 19
France 22 22 21 21 21
French Polynesia 39 39 38 37 36
Gabon 40 40 40 40 41
Gambia, The 46 46 46 46 46
Georgia 25 25 25 25 25
Germany 18 17 17 16 16
Ghana 46 45 45 45 45
Greece 23 22 22 22 21
Greenland
Grenada 39 39 39 38 38
Guam 34 33 33 32 32
Guatemala 46 46 46 46 46
Guinea 42 42 43 43 43
Guinea-Bissau 42 43 43 43 44
Guyana 42 42 41 40 39
Haiti 41 42 42 42 42
Honduras 47 47 47 46 46
Hong Kong SAR, China 25 24 24 24 23
Hungary 22 22 22 22 22
Iceland 27 27 27 26 26
India 39 39 39 39 39
Indonesia 41 40 40 40 39
Iran, Islamic Rep. 44 44 45 45 45
Iraq 47 47 47 46 46
Ireland 30 30 30 30 30
Isle of Man
Israel 33 33 33 33 33
Italy 21 21 20 20 19
Jamaica 40 39 38 38 37
Japan 23 23 23 22 22
Jordan 49 48 48 48 47
Kazakhstan 32 32 32 32 32
Kenya 50 50 50 50 50
Kiribati 40 40 39 39 39
Korea, Dem. Rep. 35 34 33 32 31
Korea, Rep. 33 32 32 31 30
Kuwait 40 39 38 37 37
Kyrgyz Republic 37 37 37 37 37
Lao PDR 44 44 44 44 44
Latvia 20 21 21 21 21
Lebanon 39 38 38 37 37
Lesotho 44 45 45 45 45
Liberia 45 45 45 46 45
Libya 47 47 46 45 45
Liechtenstein
Lithuania 23 23 23 23 23
Luxembourg 18 18 18 17 17
Macao SAR, China 24 25 25 25 25
Macedonia, FYR 29 29 28 28 28
Madagascar 46 46 46 46 46
Malawi 47 48 48 48 48
Malaysia 39 38 38 38 38
Maldives 45 46 46 46 46
Mali 44 45 45 45 45
Malta 24 24 24 24 24
Marshall Islands
Mauritania 45 45 45 45 45
Mauritius 35 34 34 33 32
Mexico 45 44 44 43 43
Micronesia, Fed. Sts. 47 47 46 46 46
Moldova 27 27 27 27 27
Monaco
Mongolia 43 43 43 42 42
Montenegro 27 27 26 26 26
Morocco 43 43 42 42 42
Mozambique 44 45 45 45 45
Myanmar 41 41 41 40 40
Namibia 47 47 47 47 47
Nepal 42 42 42 42 42
Netherlands 22 21 21 20 19
New Caledonia 36 36 36 35 35
New Zealand 27 26 26 25 25
Nicaragua 47 47 47 47 47
Niger 48 48 48 48 48
Nigeria 44 45 45 45 45
Northern Mariana Islands
Norway 22 21 21 20 20
Oman 45 45 45 46 46
Pakistan 43 43 43 43 43
Palau
Panama 40 40 39 39 38
Papua New Guinea 45 45 45 45 45
Paraguay 42 42 42 42 41
Peru 42 42 41 41 40
Philippines 43 43 42 42 42
Poland 24 25 25 25 25
Portugal 25 25 24 24 24
Puerto Rico 31 31 31 30 30
Qatar 32 31 30 30 29
Romania 27 27 26 26 25
Russian Federation 22 22 22 22 23
Rwanda 48 49 49 49 50
Samoa 46 45 44 43 43
San Marino
Sao Tome and Principe 48 48 48 47 48
Saudi Arabia 44 44 44 43 43
Senegal 47 47 47 47 47
Serbia
Seychelles 38 37 36 36 35
Sierra Leone 42 43 43 43 43
Singapore 26 26 25 25 24
Sint Maarten (Dutch part)
Slovak Republic 26 26 26 27 27
Slovenia 23 23 23 23 22
Solomon Islands 48 48 48 48 48
Somalia 44 44 44 44 44
South Africa 41 41 41 41 40
South Sudan 45 45 44 44 44
Spain 26 25 25 24 23
Sri Lanka 36 35 35 35 34
St. Kitts and Nevis
St. Lucia 43 42 41 41 41
St. Martin (French part)
St. Vincent and the Grenadines 43 42 41 41 40
Sudan 47 47 47 47 47
Suriname 38 37 36 36 35
Swaziland 49 49 49 49 49
Sweden 19 19 19 18 18
Switzerland 19 19 19 18 18
Syrian Arab Republic 49 49 49 49 48
Tajikistan 43 43 43 43 43
Tanzania 47 47 47 47 46
Thailand 39 38 37 36 35
Timor-Leste 38 38 39 39 40
Togo 47 47 47 47 47
Tonga 42 42 41 41 41
Trinidad and Tobago 34 34 34 34 34
Tunisia 41 41 40 40 39
Turkey 40 40 39 39 39
Turkmenistan 41 41 41 41 41
Turks and Caicos Islands
Tuvalu
Uganda 48 48 48 48 48
Ukraine 21 22 22 22 22
United Arab Emirates 29 29 30 31 32
United Kingdom 21 20 20 19 19
United States 22 22 22 22 22
Uruguay 27 27 27 27 27
Uzbekistan 41 40 40 41 40
Vanuatu 44 44 44 44 44
Venezuela, RB 41 40 40 39 39
Vietnam 40 40 40 39 39
Virgin Islands (U.S.) 35 34 34 34 34
West Bank and Gaza
Yemen, Rep. 50 50 50 50 51
Zambia 48 48 48 48 48
Zimbabwe 49 49 48 48 48

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