Country name 1981 1982 1983 1984 1985
Afghanistan 20 30 30 30
Albania 48 48 49 49 48
Algeria 39 40 40 41 41
American Samoa
Andorra 51
Angola 33 34
Antigua and Barbuda 57
Argentina 64 63 62 62 62
Armenia
Aruba
Australia 50 50 49 49 49
Austria 49 49 49 49 49
Azerbaijan 50
Bahamas, The 52 52 53
Bahrain 47 47 47 49 50
Bangladesh 19 28 29 28
Barbados 50 52 51 51 50
Belarus
Belgium 50 51
Belize
Benin 26 28 28 29
Bermuda 50 49 49 50 50
Bhutan 26 24 24
Bolivia 44 44 45
Bosnia and Herzegovina
Botswana 56 55 54 54 53
Brazil
Brunei Darussalam 52 52 52 52
Bulgaria 52 52 52 52 52
Burkina Faso 33 32 32 33 33
Burundi 25 32 26 27 28
Cabo Verde 43 41 43 42
Cambodia
Cameroon 34 35 35 36 37
Canada 49 49 49 49 49
Cayman Islands 48
Central African Republic 25 26 25 24 26
Chad 15
Chile 53 52 51 51 51
China 40 39 39 39 40
Colombia 50 50 51 50 50
Comoros 34
Congo, Dem. Rep.
Congo, Rep. 40 40 41 42 42
Costa Rica 53 53 53 52 52
Cote d'Ivoire 28 29 28 28 29
Croatia
Cuba 51 51 51 52 52
Curacao
Cyprus 54 53 54 53 53
Czech Republic 51 51 51 51
Denmark 51 51 51 51 51
Djibouti 30 32 31 32
Dominica 52 57 56
Dominican Republic 55
Ecuador 48 48 49 48 47
Egypt, Arab Rep. 36 37 37 38 38
El Salvador 49 50
Equatorial Guinea
Eritrea
Estonia 51 51 51 51 51
Ethiopia 36 35 36 36 38
Faroe Islands
Fiji 50 50 50 50
Finland 53 53 53 54 54
France 49 53 53 52
French Polynesia
Gabon 42 42 42 43 43
Gambia, The 30 30 30 30 30
Georgia 44
Germany
Ghana 38 39 38 38 38
Greece 50 50 50 50 50
Greenland
Grenada 59 59 57 54 54
Guam
Guatemala 44 44 44
Guinea 28 28 27 27 26
Guinea-Bissau 22 19 21 20 23
Guyana 51 51 51 51
Haiti 47 48 49 48 48
Honduras 50 51 51
Hong Kong SAR, China 51 51 51 51 51
Hungary 51 51 51 51 51
Iceland 50
India 32 32 34 32 33
Indonesia 41 41 42 42 42
Iran, Islamic Rep. 39 40 41 41 41
Iraq 32 33 34 34 35
Ireland 51 51 50 50 50
Isle of Man
Israel 52 52 52
Italy 48 48 48 49 49
Jamaica 52 52 52 52
Japan 50 50 50 50 50
Jordan 46 47 47 48 48
Kazakhstan
Kenya 42 42 42 43 43
Kiribati 53 52 52 50 51
Korea, Dem. People’s Rep.
Korea, Rep. 46 46 46 47 47
Kuwait 46 46 46 47 47
Kyrgyz Republic 49
Lao PDR 38 39 35 40 40
Latvia
Lebanon 51 52 50
Lesotho 60 60 61 60 59
Liberia
Libya 39 41
Liechtenstein
Lithuania 53
Luxembourg 54 55 55 55 55
Macao SAR, China
Macedonia, FYR
Madagascar 42
Malawi 29 30 31 32 33
Malaysia 48 49 49 49 49
Maldives
Mali 29 27 29 29 29
Malta 49 50 52 52 56
Marshall Islands
Mauritania 21 22 24 26 27
Mauritius 48 47 47 47 47
Mexico 43 44 44 45 45
Micronesia, Fed. Sts.
Moldova 51
Monaco
Mongolia 51 52 52 52 51
Montenegro
Morocco 38 38 39 39 39
Mozambique 29 31 32 33
Myanmar 45 45 45 46
Namibia
Nepal
Netherlands 52 52 53 53 53
New Caledonia
New Zealand 49 50 49 49 50
Nicaragua 52 53 57 65
Niger 29
Nigeria 35 36 29 27
Northern Mariana Islands
Norway 51 51 51 51 51
Oman 25 28 27 29 32
Pakistan 26 26 25 25 26
Palau
Panama 52 51 51 51 51
Papua New Guinea 33 35 36
Paraguay 49 49
Peru 46 46 47
Philippines 53 51 51 51 51
Poland
Portugal 48 49 49 53 54
Puerto Rico 51 51 51 51 51
Qatar 50 50 50 51 51
Romania
Russian Federation 51
Rwanda 43 43 43 43 44
Samoa 48 50 50
San Marino 49 46 45 46 47
Sao Tome and Principe 45 45
Saudi Arabia
Senegal 34 34 34 33 34
Serbia
Seychelles 51 50 50 49 49
Sierra Leone 30 31 32 32 32
Singapore 51 51 51 51 51
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 31 32 33 34
Somalia 34 35 35 37 36
South Africa
South Sudan
Spain 51 51 51 51 51
Sri Lanka 52 52 52 52 52
St. Kitts and Nevis 49 50 49 49
St. Lucia 56 57 56 57 57
St. Martin (French part)
St. Vincent and the Grenadines 59 59 60
Sudan
Suriname
Swaziland 49 49 50 49 49
Sweden 51 51 51 52 51
Switzerland 49 50 50 50 50
Syrian Arab Republic 37 38 39 39 40
Tajikistan
Tanzania 34 34 35 36 37
Thailand 46
Timor-Leste
Togo 24 25 25 25 24
Tonga 47 48 47 49 50
Trinidad and Tobago 50 51 51 50
Tunisia 39 39 39 40 40
Turkey 35 36 37 37
Turkmenistan
Turks and Caicos Islands
Tuvalu 44
Uganda 30 33 33 33 33
Ukraine
United Arab Emirates 45 46 47 47 48
United Kingdom 49 49 49 49 49
United States 49 49 49 49 49
Uruguay
Uzbekistan 46
Vanuatu 43 42
Venezuela, RB 55 55 55 54 54
Vietnam 47 47
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 35 36 36 36 37
Zimbabwe 42 41 41 40 40

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