Country name 1980 1981 1982 1983
Ghana 12 10 6
Somalia 8 8 8 7
Kiribati 9 9 8 8
Ethiopia 9 10 9
Gambia, The 13 12 10 11
Uganda 4 7 11 9
Chad 9 12 12 13
Tonga 14 13 12 16
Myanmar 13 12 13 13
Nepal 12 12 13 13
Central African Republic 20 19 13 15
Madagascar 16 14 13 14
Mali 13 14 14 15
Comoros 13 13 14 14
Guinea-Bissau 20 17 14 11
Antigua and Barbuda 18 18 15 14
Sudan 15 15
Benin 12 13 15 15
Burundi 13 13 15 16
Seychelles 16 18 16 16
Cabo Verde 17 17 16 17
Sierra Leone 22 20 17 15
Niger 23 19 17 20
Grenada 13 15 18 17
Cuba 19 19 19 18
Panama 20 19 19 18
Bhutan 12 17 19 21
Burkina Faso 20 19 19 21
Kenya 21 20 20 19
Dominica 21 20 20 18
Senegal 20 19 21 21
St. Lucia 24 23 21 18
Malawi 23 22 21 21
Bangladesh 21 21 21 22
Cote d'Ivoire 20 19 21 21
Fiji 22 21 21 20
Rwanda 22 21 22 24
Barbados 23 23 22 23
Pakistan 25 23 22 22
Togo 25 22 23 21
Mauritania 26 26 23 21
St. Kitts and Nevis 27 24 24 25
Belize 31 27 24 24
Honduras 24 23 24 25
Zimbabwe 29 27 25 29
Mauritius 26 25 25 25
Papua New Guinea 29 25 25 30
India 24 25 25 25
St. Vincent and the Grenadines 27 26 25 25
Mongolia 25 26 26
Denmark 27 26 26 26
Sri Lanka 30 28 26 26
Ecuador 26 27 27 27
Congo, Dem. Rep. 35 34 28 27
Jordan 24 27 28 27
Turkey 24 27 28 27
Dominican Republic 28 28 29 29
Guyana 36 31 29 23
Thailand 29 30 30 31
Swaziland 30 30 30 28
Luxembourg 30 29 30 29
France 31 31 30 30
Portugal 30 31 30 31
Sweden 32 31 31 31
Cyprus 34 32 31 30
Liberia 28 33 32 30
Colombia 32 31 32 32
Cameroon 26 30 32 35
Morocco 31 34 32 34
Netherlands 33 33 32 32
Lesotho 27 25 32 24
Egypt, Arab Rep. 37 38 32 30
Mozambique 34 34 33 27
Switzerland 35 34 33 32
United States 34 34 33 32
Belgium 35 33 33 33
Mexico 34 33 33 35
Suriname 39 38 34 31
Canada 37 36 34 34
Korea, Rep. 34 34 34 36
Ireland 35 34 34 35
Singapore 36 36 35 36
Bolivia 32 33 35 36
Chile 37 37 35 40
Spain 37 36 35 35
Tunisia 36 37 35 38
Austria 37 36 35 35
Nigeria 40 35 31
Iran, Islamic Rep. 31 30 36 34
Italy 38 37 36 35
Finland 38 37 36 36
Iceland 36 36 37 36
New Zealand 35 36 37 36
Australia 38 39 38 37
Malaysia 41 40 38 39
Indonesia 42 41 38 40
Georgia 36 36 38 36
Namibia 51 42 38 36
Japan 39 39 38 38
Norway 38 38 39 40
Philippines 39 39 39 39
Zambia 42 41 39 47
Puerto Rico 40 40 39 39
Germany 41 40 40 39
United Kingdom 41 40 40 39
Argentina 41 40 41 42
Venezuela, RB 46 44 42 39
Albania 45 43 44 43
South Africa 48 46 44 45
China 48 46 45 44
Brazil 44 44 46 44
Latvia 51 50 47 42
Hungary 47 47 47 47
Botswana 51 47 49 54
Congo, Rep. 47 51 53 54
Bahrain 59 58 53 48
Kuwait 75 69 54 57
Romania 57 55
Algeria 58 57 56 56
Bulgaria 54 53 58 60
Saudi Arabia 72 71 60 50
Gabon 60 58 61 57
Malta 64 62 61 59
United Arab Emirates 73 68 63 61
Oman 69 67 63 61
Brunei Darussalam 85 82 80 77
Aruba
Monaco
South Sudan
Korea, Dem. Rep.
Yemen, Rep.
Montenegro
Tajikistan
Kazakhstan
Andorra
Jamaica
Slovenia
Israel
Cayman Islands
Isle of Man
Macedonia, FYR
Iraq
Armenia
Lao PDR
American Samoa
New Caledonia
Sint Maarten (Dutch part)
Hong Kong SAR, China
Czech Republic
Nicaragua
Costa Rica 32
Haiti
Moldova
Guinea
Belarus
Northern Mariana Islands
Trinidad and Tobago
Guatemala
Turks and Caicos Islands
Micronesia, Fed. Sts.
Kosovo
Guam
Uzbekistan
Palau
Virgin Islands (U.S.)
Greenland
Marshall Islands
Greece
Slovak Republic
Paraguay
Solomon Islands
Peru
Curacao
Cambodia
Croatia
Kyrgyz Republic
Afghanistan
Bermuda
St. Martin (French part)
Liechtenstein
Libya
Poland
French Polynesia
Bosnia and Herzegovina
Faeroe Islands
Syrian Arab Republic
Qatar
Tanzania
Maldives
Timor-Leste
Russian Federation
Bahamas, The
Estonia
Azerbaijan
Samoa
Turkmenistan
San Marino
Tuvalu
Sao Tome and Principe
Ukraine
Lithuania
Angola
Eritrea
Uruguay 33
Serbia
Vanuatu
Equatorial Guinea
Vietnam
El Salvador
West Bank and Gaza
Djibouti
Macao SAR, China
Lebanon

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