Country name 1986 1987 1988 1989 1990
Afghanistan 47 48 48 48 48
Albania 34 33 33 33 33
Algeria 45 45 44 44 43
American Samoa
Andorra
Angola 48 48 48 48 48
Antigua and Barbuda 29 29 29 29 30
Argentina 31 31 31 31 31
Armenia 30 30 30 30 30
Aruba 25 25 25 25 25
Australia 23 23 23 22 22
Austria 18 18 17 17 17
Azerbaijan 33 33 34 34 34
Bahamas, The 35 34 33 33 32
Bahrain 34 33 33 33 33
Bangladesh 44 43 43 43 42
Barbados 26 26 25 24 24
Belarus 23 23 23 23 23
Belgium 18 18 18 18 18
Belize 45 44 44 44 43
Benin 46 46 46 46 46
Bermuda
Bhutan 44 44 44 44 44
Bolivia 42 42 42 42 41
Bosnia and Herzegovina 26 26 25 25 24
Botswana 46 46 46 45 45
Brazil 37 37 36 36 35
Brunei Darussalam 37 36 35 35 35
Bulgaria 21 21 21 21 20
Burkina Faso 47 47 47 47 47
Burundi 46 47 47 48 48
Cabo Verde 45 45 46 46 46
Cambodia 43 44 44 44 44
Cameroon 46 46 46 46 46
Canada 21 21 21 21 21
Cayman Islands
Central African Republic 43 43 43 43 43
Chad 47 47 47 47 47
Chile 30 30 30 30 29
China 30 30 29 29 29
Colombia 38 37 37 37 36
Comoros 46 46 47 47 47
Congo, Dem. Rep. 45 45 45 46 46
Congo, Rep. 45 44 44 44 44
Costa Rica 35 35 35 35 35
Cote d'Ivoire 45 45 45 45 45
Croatia 21 21 20 20 20
Cuba 26 25 24 24 23
Curacao 27 27 27 27 27
Cyprus 25 25 25 25 25
Czech Republic 23 23 22 22 22
Denmark 18 18 17 17 17
Djibouti 45 45 45 45 45
Dominica
Dominican Republic 40 40 39 39 39
Ecuador 40 39 39 39 38
Egypt, Arab Rep. 41 41 41 41 41
El Salvador 42 41 41 40 40
Equatorial Guinea 35 36 36 37 38
Eritrea 47 47 47 47 47
Estonia 22 22 22 22 22
Ethiopia 46 46 46 46 46
Faroe Islands
Fiji 39 39 39 39 38
Finland 19 19 19 19 19
France 21 21 20 20 20
French Polynesia 36 36 36 36 36
Gabon 41 41 41 41 42
Gambia, The 46 46 46 46 46
Georgia 25 25 25 25 25
Germany 16 16 16 16 16
Ghana 45 45 44 44 44
Greece 21 21 20 20 19
Greenland
Grenada 38 38 39 39 39
Guam 32 31 31 30 30
Guatemala 46 46 46 46 45
Guinea 43 43 44 44 44
Guinea-Bissau 44 44 44 45 45
Guyana 39 38 37 36 35
Haiti 43 43 43 43 43
Honduras 46 46 46 46 45
Hong Kong SAR, China 23 23 22 22 21
Hungary 21 21 21 21 20
Iceland 26 26 25 25 25
India 39 39 38 38 38
Indonesia 39 38 38 37 36
Iran, Islamic Rep. 46 46 46 46 45
Iraq 46 46 46 46 46
Ireland 30 29 29 28 28
Isle of Man
Israel 33 32 32 32 31
Italy 19 18 17 17 16
Jamaica 37 36 36 35 35
Japan 21 20 20 19 18
Jordan 47 47 47 46 46
Kazakhstan 32 32 32 32 31
Kenya 50 50 50 49 49
Kiribati 39 39 40 40 40
Korea, Dem. People’s Rep. 30 29 28 27 27
Korea, Rep. 29 28 27 26 26
Kuwait 37 37 36 36 35
Kyrgyz Republic 37 37 37 38 38
Lao PDR 44 44 44 44 44
Latvia 21 21 22 22 21
Lebanon 36 36 35 35 34
Lesotho 44 44 44 44 44
Liberia 45 46 45 45 45
Libya 44 44 43 42 42
Liechtenstein
Lithuania 23 23 23 23 23
Luxembourg 17 17 17 17 17
Macao SAR, China 25 26 26 26 25
Macedonia, FYR 27 27 27 26 26
Madagascar 45 45 45 45 45
Malawi 47 47 47 46 46
Malaysia 38 38 38 37 37
Maldives 47 47 47 47 48
Mali 46 46 46 46 47
Malta 24 24 24 24 24
Marshall Islands
Mauritania 45 45 45 45 45
Mauritius 31 31 30 29 29
Mexico 42 41 40 40 39
Micronesia, Fed. Sts. 45 45 45 44 44
Moldova 27 28 28 28 28
Monaco
Mongolia 42 42 41 41 40
Montenegro 26 26 26 26 25
Morocco 41 41 41 40 40
Mozambique 46 46 47 47 47
Myanmar 40 39 39 38 38
Namibia 46 46 45 44 44
Nepal 42 42 42 42 42
Netherlands 19 19 18 18 18
New Caledonia 35 34 33 32 32
New Zealand 24 24 24 23 23
Nicaragua 47 47 46 46 46
Niger 48 48 48 48 48
Nigeria 45 45 45 45 45
Northern Mariana Islands
Norway 20 19 19 19 19
Oman 46 46 46 46 45
Pakistan 43 43 43 43 43
Palau
Panama 38 37 37 36 36
Papua New Guinea 44 44 43 43 42
Paraguay 41 41 41 41 41
Peru 40 40 39 39 39
Philippines 42 42 41 41 41
Poland 26 26 26 25 25
Portugal 23 22 22 21 20
Puerto Rico 29 29 28 28 27
Qatar 29 29 29 29 28
Romania 25 25 24 24 24
Russian Federation 23 23 23 23 23
Rwanda 50 50 50 50 50
Samoa 42 42 41 41 40
San Marino
Sao Tome and Principe 47 48 48 48 48
Saudi Arabia 43 42 42 42 42
Senegal 48 48 47 47 47
Serbia 24
Seychelles 35 35 36 36 36
Sierra Leone 44 44 44 44 44
Singapore 24 23 22 22 21
Sint Maarten (Dutch part)
Slovak Republic 26 26 26 26 25
Slovenia 22 22 22 21 21
Solomon Islands 47 47 47 46 45
Somalia 44 44 45 45 45
South Africa 40 40 40 39 39
South Sudan 44 44 44 44 44
Spain 23 22 21 21 20
Sri Lanka 34 33 33 33 32
St. Kitts and Nevis
St. Lucia 39 38 38 37 37
St. Martin (French part)
St. Vincent and the Grenadines 39 39 38 38 38
Sudan 46 46 46 46 45
Suriname 35 35 34 34 34
Swaziland 49 49 49 48 48
Sweden 18 18 18 18 18
Switzerland 18 17 17 17 17
Syrian Arab Republic 48 48 48 47 47
Tajikistan 43 43 43 44 44
Tanzania 46 46 46 46 46
Thailand 34 33 32 31 30
Timor-Leste 40 40 40 39 39
Togo 47 47 47 46 46
Tonga 40 40 40 39 39
Trinidad and Tobago 34 34 34 34 34
Tunisia 39 38 38 38 37
Turkey 38 38 37 37 36
Turkmenistan 41 40 41 40 40
Turks and Caicos Islands
Tuvalu
Uganda 48 48 48 48 48
Ukraine 22 22 22 21 21
United Arab Emirates 32 32 32 31 31
United Kingdom 19 19 19 19 19
United States 22 22 22 22 22
Uruguay 27 26 26 26 26
Uzbekistan 41 41 41 41 41
Vanuatu 44 44 44 44 44
Venezuela, RB 39 38 38 38 38
Vietnam 39 38 38 38 37
Virgin Islands (U.S.) 34 33 32 30 29
West Bank and Gaza 49
Yemen, Rep. 51 51 51 52 52
Zambia 48 48 48 48 47
Zimbabwe 48 47 47 47 46

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