Country name 1980 1981 1982 1983
Afghanistan 42 43 43 44
Albania 72 72 73 73
Algeria 59 61 62 63
American Samoa
Andorra
Angola 42 42 42 42
Antigua and Barbuda 71 72 72 72
Argentina 73 73 74 74
Armenia 74 74 74 73
Aruba 75 75 75 75
Australia 78 78 78 79
Austria 76 76 77 77
Azerbaijan 69 69 69 69
Bahamas, The 72 72 72 72
Bahrain 71 72 72 72
Bangladesh 54 55 55 56
Barbados 71 71 71 71
Belarus 74 74 74 75
Belgium 77 77 77 77
Belize 71 72 72 73
Benin 51 51 51 52
Bermuda 76
Bhutan 45 46 46 47
Bolivia 54 55 56 56
Bosnia and Herzegovina 73 73 73 74
Botswana 63 63 64 64
Brazil 66 66 67 67
Brunei Darussalam 73 73 73 74
Bulgaria 74 74 74 74
Burkina Faso 47 48 49 50
Burundi 49 49 50 50
Cabo Verde 61 62 63 64
Cambodia 33 39 45 50
Cameroon 53 53 54 54
Canada 79 79 79 80
Cayman Islands
Central African Republic 51 51 51 51
Chad 46 46 46 47
Chile 73 73 74 74
China 69 69 69 69
Colombia 68 69 70 70
Comoros 54 54 55 55
Congo, Dem. Rep. 48 48 48 48
Congo, Rep. 58 58 58 58
Costa Rica 75 75 76 76
Cote d'Ivoire 53 53 54 54
Croatia 74 74 74 74
Cuba 76 76 76 76
Curacao
Cyprus 77 77 77 77
Czech Republic 74 74 74 74
Denmark 77 77 78 78
Djibouti 55 56 56 56
Dominica 73
Dominican Republic 65 65 66 66
Ecuador 65 66 66 67
Egypt, Arab Rep. 61 61 62 63
El Salvador 63 64 64 65
Equatorial Guinea 45 45 45 46
Eritrea 45 46 46 46
Estonia 74 74 74 75
Ethiopia 45 45 45 45
Faeroe Islands 80
Fiji 65 65 65 66
Finland 78 78 79 78
France 78 79 79 79
French Polynesia 67 68 69 69
Gabon 56 57 58 59
Gambia, The 48 48 49 50
Georgia 73 73 73 73
Germany 76 76 77 77
Ghana 54 54 54 54
Greece 77 77 78 78
Greenland 67 67 66 66
Grenada 69 69 69 69
Guam 72 72 72 73
Guatemala 59 60 60 61
Guinea 42 43 44 45
Guinea-Bissau 48 48 48 49
Guyana 64 65 65 65
Haiti 52 53 53 53
Honduras 62 63 63 64
Hong Kong SAR, China 78 79 78 78
Hungary 73 73 73 73
Iceland 80 80 80 81
India 55 56 56 57
Indonesia 60 61 62 62
Iran, Islamic Rep. 59 60 61 62
Iraq 64 65 66 67
Ireland 75 76 76 76
Isle of Man
Israel 76 76 76 76
Italy 77 78 78 78
Jamaica 72 73 73 73
Japan 79 79 80 80
Jordan 68 68 69 69
Kazakhstan 72 72 72 72
Kenya 60 60 61 61
Kiribati 58 59 59 60
Korea, Dem. Rep. 69 69 70 70
Korea, Rep. 70 71 71 71
Kosovo 68 68 69
Kuwait 71 71 72 72
Kyrgyz Republic 67 68 68 68
Lao PDR 50 51 51 51
Latvia 74 74 75 75
Lebanon 70 70 70 70
Lesotho 55 56 56 57
Liberia 48 48 49 49
Libya 66 67 67 68
Liechtenstein
Lithuania 76 76 76 76
Luxembourg 76 76 76 77
Macao SAR, China 75 75 75 76
Macedonia, FYR 70 71 71 71
Madagascar 50 50 51 51
Malawi 45 46 46 47
Malaysia 70 70 70 71
Maldives 51 52 53 54
Mali 41 41 42 43
Malta 75 76 76 76
Marshall Islands
Mauritania 56 56 57 57
Mauritius 71 71 72 72
Mexico 70 70 71 71
Micronesia, Fed. Sts. 66 66 66 66
Moldova 68 68 68 69
Monaco
Mongolia 59 59 60 60
Montenegro 76 76 76 77
Morocco 59 60 61 61
Mozambique 44 45 45 45
Myanmar 57 58 58 59
Namibia 60 60 61 61
Nepal 48 49 49 50
Netherlands 79 79 79 80
New Caledonia 70 71 72 72
New Zealand 76 77 77 77
Nicaragua 61 62 62 63
Niger 40 40 41 41
Nigeria 47 47 47 47
Northern Mariana Islands
Norway 79 79 80 80
Oman 61 62 63 64
Pakistan 58 59 59 60
Palau
Panama 73 73 74 74
Papua New Guinea 55 56 57 57
Paraguay 69 69 69 69
Peru 62 63 63 64
Philippines 65 65 65 66
Poland 74 75 75 75
Portugal 75 75 76 76
Puerto Rico 77 77 77 78
Qatar 74 74 74 75
Romania 72 72 72 73
Russian Federation 73 73 74 73
Rwanda 50 50 51 51
Samoa 63 64 64 65
San Marino
Sao Tome and Principe 62 62 62 63
Saudi Arabia 65 66 66 67
Senegal 50 51 52 53
Serbia
Seychelles 72
Sierra Leone 41 41 41 41
Singapore 75 75 76 76
Sint Maarten (Dutch part)
Slovak Republic 74 75 75 75
Slovenia 75 75 75 75
Solomon Islands 60 60 59 59
Somalia 46 47 47 47
South Africa 60 61 62 62
South Sudan 40 41 41 41
Spain 79 79 79 79
Sri Lanka 70 71 71 72
St. Kitts and Nevis 66
St. Lucia 72 73 73 73
St. Martin (French part) 77 76
St. Vincent and the Grenadines 70 70 70 71
Sudan 56 56 56 56
Suriname 69 69 70 70
Swaziland 56 57 58 58
Sweden 79 79 79 80
Switzerland 79 79 79 80
Syrian Arab Republic 67 67 68 68
Tajikistan 65 65 65 65
Tanzania 52 52 53 53
Thailand 67 68 69 69
Timor-Leste 35 37 39 41
Togo 54 55 55 56
Tonga 69 69 69 70
Trinidad and Tobago 70 70 70 70
Tunisia 63 64 65 66
Turkey 62 63 64 64
Turkmenistan 65 65 65 65
Turks and Caicos Islands
Tuvalu
Uganda 51 51 51 51
Ukraine 74 74 74 74
United Arab Emirates 70 70 70 71
United Kingdom 77 77 77 77
United States 78 78 78 78
Uruguay 74 74 74 75
Uzbekistan 69 69 69 70
Vanuatu 60 61 61 62
Venezuela, RB 71 72 72 72
Vietnam 72 72 73 73
Virgin Islands (U.S.) 75 75 75 76
West Bank and Gaza
Yemen, Rep. 52 53 54 55
Zambia 53 53 52 51
Zimbabwe 61 62 62 63

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