Country name 1980 1981 1982 1983 1984
Nepal 2 2 2 2 2
Rwanda 2 3 3 3 3
Yemen, Rep. 3 3 3 4 4
Ethiopia 3 3 3 4 4
Cambodia 4 6 6 6 6
Uganda 4 4 4 4 4
Burkina Faso 4 4 4 5 5
Poland 4 4 4 4 4
Mozambique 5 5 5 5 5
Tanzania 5 5 5 5 5
Niger 5 5 5 5 5
Bangladesh 6 7 7 7 7
Madagascar 7 7 7 7 7
Netherlands 7 7 6 6 6
Kazakhstan 7 7 7 7 7
Malaysia 7 7 8 8 9
Chad 7 7 7 8 8
Mali 7 7 8 8 8
Afghanistan 7 8 9 9 10
Kenya 7 7 8 8 8
Vietnam 8 8 8 8 8
China 8 8 8 8 9
Sudan 8 8 8 9 9
Algeria 8 8 8 8 8
Myanmar 8 8 8 8 8
Romania 8 8 8 8 9
Zimbabwe 8 8 8 8 9
Germany 9 9 9 9 9
Somalia 9 9 10 10 11
Nigeria 9 9 10 10 10
Zambia 9 9 9 9 9
India 9 9 9 10 10
Ukraine 9 10 10 10 10
Indonesia 10 10 10 10 10
Thailand 10 10 10 10 10
Honduras 10 10 11 11 11
Korea, Dem. Rep. 11 11 11 11 11
Cameroon 11 11 12 12 12
Switzerland 11 11 12 12 13
Uzbekistan 11 11 11 11 11
Czech Republic 11 11 12 12 12
Sweden 12 12 12 12 12
Angola 12 12 13 13 13
Bulgaria 12 12 13 13 13
Ghana 12 12 12 12 12
Haiti 12 13 13 13 13
Belarus 14 14 14 14 15
Philippines 14 14 14 14 14
Finland 14 14 14 15 15
Guinea 15 15 15 15 15
El Salvador 15 15 16 16 16
Pakistan 16 16 16 16 16
Tunisia 16 16 17 17 17
Guatemala 16 16 16 16 16
Cote d'Ivoire 17 17 17 17 17
Belgium 17 17 17 17 17
Liberia 17 18 18 19 21
Russian Federation 17 17 17 17 17
Senegal 17 17 18 18 18
Italy 19 19 19 19 19
Congo, Dem. Rep. 19 20 20 20 21
Hungary 19 19 19 19 19
Morocco 19 20 20 20 20
Cuba 19 19 20 20 20
Austria 20 20 20 20 20
Dominican Republic 21 21 22 22 22
Denmark 21 21 21 21 21
Libya 22 21 21 21 20
Turkey 22 22 22 23 23
Spain 22 22 22 22 22
Egypt, Arab Rep. 22 22 22 22 22
France 22 22 22 22 22
Iran, Islamic Rep. 23 23 23 24 24
Costa Rica 23 23 24 24 24
Ecuador 24 24 25 25 25
Paraguay 24 24 24 24 25
Georgia 24 25 25 25 25
Congo, Rep. 25 26 26 27 28
New Zealand 25 25 25 25 25
Mongolia 25 25 25 25 26
Azerbaijan 26 25 25 25 25
Peru 26 26 26 26 26
Ireland 26 27 26 26 26
Bolivia 26 27 27 28 28
United Kingdom 28 28 28 28 27
South Africa 28 28 28 28 28
Iraq 29 29 29 29 29
Jordan 29 29 29 28 28
Saudi Arabia 29 30 30 30 30
Colombia 31 31 31 31 32
Panama 31 31 31 32 32
Greece 31 31 31 31 31
Mexico 32 32 32 32 33
Chile 33 34 34 34 35
Brazil 33 34 34 34 34
Armenia 34 34 34 34 34
Syrian Arab Republic 34 34 34 34 34
Venezuela, RB 35 35 35 35 34
Portugal 36 37 37 37 36
Canada 37 37 37 37 38
Puerto Rico 39 41 44 46 48
Argentina 40 40 40 40 40
United States 41 41 41 41 41
Korea, Rep. 43 43 44 45 45
Israel 49 50 51 52 53
Uruguay 50 50 50 50 50
Japan 55 55 56 56 56
United Arab Emirates 59 60 59 59 59
Australia 62 62 62 62 62
Lebanon 62 63 64 62 61
Kuwait 65 65 65 65 65
Hong Kong SAR, China 91 91 91 91 92
Singapore 100 97 95 96 97
St. Vincent and the Grenadines
Macedonia, FYR
American Samoa
Lesotho
Turkmenistan
Malawi
Cyprus
Latvia
Burundi
Maldives
Bahrain
Lao PDR
Macao SAR, China
Malta
Sri Lanka
Marshall Islands
Central African Republic
Mauritania
Tonga
Mauritius
Bermuda
Kyrgyz Republic
Antigua and Barbuda
Micronesia, Fed. Sts.
Djibouti
Moldova
Slovenia
Monaco
South Sudan
Lithuania
St. Lucia
Montenegro
Suriname
Kosovo
Cabo Verde
Kiribati
Timor-Leste
Jamaica
Botswana
Namibia
Tuvalu
Isle of Man
Belize
Iceland
Vanuatu
New Caledonia
West Bank and Gaza
Seychelles
Liechtenstein
Luxembourg
Serbia
Sint Maarten (Dutch part)
Sierra Leone
Nicaragua
Guyana
Slovak Republic
Guinea-Bissau
Solomon Islands
Northern Mariana Islands
Curacao
Norway
Croatia
Oman
St. Kitts and Nevis
Guam
St. Martin (French part)
Palau
Comoros
Grenada
Swaziland
Papua New Guinea
Cayman Islands
Greenland
Tajikistan
Gambia, The
Brunei Darussalam
Gabon
Togo
French Polynesia
Trinidad and Tobago
Fiji
Bosnia and Herzegovina
Faeroe Islands
Turks and Caicos Islands
Qatar
Bhutan
Estonia
Benin
Eritrea
Barbados
Equatorial Guinea
Bahamas, The
Samoa
Aruba
San Marino
Virgin Islands (U.S.)
Sao Tome and Principe
Andorra
Dominica
Albania

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