Country name 1980 1981 1982 1983 1984
Afghanistan 18 20 30 30
Albania 48 48 48 49 49
Algeria 38 39 40 40 41
American Samoa 50 45 47 47 47
Andorra 51
Angola 33 34
Antigua and Barbuda 57
Argentina 63 64 63 62 62
Armenia
Aruba
Australia 50 50 50 49 49
Austria 48 49 49 49 49
Azerbaijan 50
Bahamas, The 51 52 52
Bahrain 48 47 47 47 49
Bangladesh 24 19 28 29
Barbados 53 50 52 51 51
Belarus 50
Belgium 50
Belize
Benin 27 26 28 28
Bermuda 50 50 49 49 50
Bhutan 26 24
Bolivia 43 44 44 45
Bosnia and Herzegovina
Botswana 56 56 55 54 54
Brazil
Brunei Darussalam 51 52 52 52 52
Bulgaria 52 52 52 52 52
Burkina Faso 35 33 32 32 33
Burundi 24 25 32 26 27
Cabo Verde 43 43 41 43
Cambodia
Cameroon 34 34 35 35 36
Canada 49 49 49 49 49
Cayman Islands 51 48
Central African Republic 24 25 26 25 24
Chad
Chile 53 53 52 51 51
China 41 40 39 39 39
Colombia 50 50 50 51 50
Comoros 34
Congo, Dem. Rep.
Congo, Rep. 39 40 40 41 42
Costa Rica 54 53 53 53 52
Cote d'Ivoire 28 28 29 28 28
Croatia
Cuba 51 51 51 51 52
Curacao
Cyprus 54 54 53 54 53
Czech Republic 51 51 51 51
Denmark 51 51 51 51 51
Djibouti 30 32 31
Dominica 57 52 57 56
Dominican Republic
Ecuador 47 48 48 49 48
Egypt, Arab Rep. 35 36 37 37 38
El Salvador 46 49 50
Equatorial Guinea
Eritrea
Estonia 51 51 51 51
Ethiopia 36 36 35 36 36
Faeroe Islands
Fiji 50 50 50 50
Finland 53 53 53 53 54
France 53 49 53 53
French Polynesia 55 58 58 53 57
Gabon 41 42 42 42 43
Gambia, The 30 30 30 30 30
Georgia 44
Germany
Ghana 39 38 39 38 38
Greece 49 50 50 50 50
Greenland
Grenada 55 59 59 57 54
Guam 50 50 48 49 48
Guatemala 43 44 44 44
Guinea 28 28 28 27 27
Guinea-Bissau 18 22 19 21 20
Guyana 51 51 51 51
Haiti 46 47 48 49 48
Honduras 50 50 51 51
Hong Kong SAR, China 50 51 51 51 51
Hungary 51 51 51 51 51
Iceland 50
India 31 32 32 34 32
Indonesia 41 41 42 42
Iran, Islamic Rep. 39 40 41 41
Iraq 30 32 33 34 34
Ireland 51 51 51 50 50
Isle of Man
Israel 53 52 52
Italy 48 48 48 48 49
Jamaica 52 52 52 52
Japan 50 50 50 50 50
Jordan 45 46 47 47 48
Kazakhstan
Kenya 42 42 42 42 43
Kiribati 51 53 52 52 50
Korea, Dem. Rep.
Korea, Rep. 45 46 46 46 47
Kosovo
Kuwait 46 46 46 46 47
Kyrgyz Republic 49
Lao PDR 38 38 39 35 40
Latvia
Lebanon 51 52
Lesotho 60 60 60 61 60
Liberia 28
Libya 39 39 41
Liechtenstein
Lithuania 53
Luxembourg 51 54 55 55 55
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi 31 29 30 31 32
Malaysia 48 48 49 49 49
Maldives
Mali 28 29 27 29 29
Malta 50 49 50 52 52
Marshall Islands
Mauritania 21 21 22 24 26
Mauritius 48 48 47 47 47
Mexico 41 43 44 44 45
Micronesia, Fed. Sts.
Moldova 51
Monaco
Mongolia 51 51 52 52 52
Montenegro
Morocco 37 38 38 39 39
Mozambique 29 29 31 32
Myanmar 45 45 45
Namibia
Nepal
Netherlands 51 52 52 53 53
New Caledonia 55 55 56 54 55
New Zealand 49 49 50 49 49
Nicaragua 52 52 53 57
Niger 29 29
Nigeria 33 35 36 29 27
Northern Mariana Islands
Norway 51 51 51 51 51
Oman 23 25 28 27 29
Pakistan 26 26 26 25 25
Palau
Panama 51 52 51 51 51
Papua New Guinea 32 33 35 36
Paraguay 49
Peru 46 46 46
Philippines 53 51 51 51
Poland
Portugal 43 48 49 49 53
Puerto Rico 51 51 51 51 51
Qatar 50 50 50 50 51
Romania
Russian Federation 51
Rwanda 41 43 43 43 43
Samoa 49 48 50 50
San Marino 48 49 46 45 46
Sao Tome and Principe 45 45
Saudi Arabia
Senegal 33 34 34 34 33
Serbia
Seychelles 53 51 50 50 49
Sierra Leone 30 30 31 32 32
Singapore 52 51 51 51 51
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 30 31 32 33 34
Somalia 24 34 35 35 37
South Africa
South Sudan
Spain 51 51 51 51 51
Sri Lanka 51 52 52 52 52
St. Kitts and Nevis 50 49 50 49
St. Lucia 57 56 57 56 57
St. Martin (French part)
St. Vincent and the Grenadines 59 59
Sudan 35 37 42 40 42
Suriname
Swaziland 49 49 49 50 49
Sweden 51 51 51 51 52
Switzerland 49 49 50 50 50
Syrian Arab Republic 36 37 38 39 39
Tajikistan
Tanzania 33 34 34 35 36
Thailand 46
Timor-Leste
Togo 24 24 25 25 25
Tonga 47 48 47 49
Trinidad and Tobago 50 51 51
Tunisia 37 39 39 39 40
Turkey 34 35 36 37 37
Turkmenistan
Turks and Caicos Islands
Tuvalu 44
Uganda 29 30 33 33 33
Ukraine
United Arab Emirates 45 45 46 47 47
United Kingdom 49 49 49 49 49
United States 49 49 49 49
Uruguay
Uzbekistan 46
Vanuatu 44 43 42
Venezuela, RB 55 55 55 54
Vietnam 47 47
Virgin Islands (U.S.) 50 50 49 49 50
West Bank and Gaza
Yemen, Rep.
Zambia 35 35 36 36 36
Zimbabwe 42 41 41 40

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