| | | | | . | | 1990 | 1995 | 2000 | . | Afghanistan | 1700 | 820 | 1900 | . | Albania | 65 | 31 | 55 | . | Algeria | 160 | 150 | 140 | . | Angola | 1500 | 1300 | 1700 | . | Argentina | 100 | 85 | 82 | . | Armenia | 50 | 29 | 55 | . | Australia | 9 | 6 | 8 | . | Austria | 10 | 11 | 4 | . | Azerbaijan | 22 | 37 | 94 | . | Bahamas | 100 | 10 | 60 | . | Bahrain | 60 | 38 | 28 | . | Bangladesh | 850 | 600 | 380 | . | Barbados | 43 | 33 | 95 | . | Belarus | 37 | 33 | 35 | . | Belgium | 10 | 8 | 10 | . | Belize | | 140 | 140 | . | Benin | 990 | 880 | 850 | . | Bhutan | 1600 | 500 | 420 | . | Bolivia | 650 | 550 | 420 |
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| | | | | . | Bosnia and Herzegovina | | 15 | 31 | . | Botswana | 250 | 480 | 100 | . | Brazil | 220 | 260 | 260 | . | Brunei | 60 | 22 | 37 | . | Bulgaria | 27 | 23 | 32 | . | Burkina Faso | 930 | 1400 | 1000 | . | Burundi | 1300 | 1900 | 1000 | . | Cambodia | 900 | 590 | 450 | . | Cameroon | 550 | 720 | 730 | . | Canada | 6 | 6 | 6 | . | Cape Verde | | 190 | 150 | . | Central African Rep. | 700 | 1200 | 1100 | . | Chad | 1500 | 1500 | 1100 | . | Chile | 65 | 33 | 31 | . | China | 95 | 60 | 56 | . | Hong Kong, China | 7 | | | . | Macao, China | | 20 | | . | Colombia | 100 | 120 | 130 | . | Comoros | 950 | 570 | 480 | . | Congo, Rep. | 890 | 1100 | 510 |
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| | | | | . | Costa Rica | 55 | 35 | 43 | . | Cote d'Ivoire | 810 | 1200 | 690 | . | Croatia | | 18 | 8 | . | Cuba | 95 | 24 | 33 | . | Cyprus | 5 | 0 | 47 | . | Czech Rep. | 15 | 14 | 9 | . | Congo, Dem. Rep. | 870 | 940 | 990 | . | Denmark | 9 | 15 | 5 | . | Djibouti | 570 | 520 | 730 | . | Dominican Rep. | 110 | 110 | 150 | . | Ecuador | 150 | 210 | 130 | . | Egypt | 170 | 170 | 84 | . | El Salvador | 300 | 180 | 150 | . | Equatorial Guinea | 820 | 1400 | 880 | . | Eritrea | 1400 | 1100 | 630 | . | Estonia | 41 | 80 | 63 | . | Ethiopia | 1400 | 1800 | 850 | . | Fiji | 90 | 20 | 75 | . | Finland | 11 | 6 | 6 | . | France | 15 | 20 | 17 |
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| | | | | . | French Polynesia | | 20 | 20 | . | Gabon | 500 | 620 | 420 | . | Gambia | 1100 | 1100 | 540 | . | Georgia | 33 | 22 | 32 | . | Germany | 22 | 12 | 8 | . | Ghana | 740 | 590 | 540 | . | Greece | 10 | 2 | 9 | . | Guadeloupe | | 5 | 5 | . | Guam | | 12 | 12 | . | Guatemala | 200 | 270 | 240 | . | Guinea | 1600 | 1200 | 740 | . | Guinea-Bissau | 910 | 910 | 1100 | . | Guyana | | 150 | 170 | . | Haiti | 1000 | 1100 | 680 | . | Honduras | 220 | 220 | 110 | . | Hungary | 30 | 23 | 16 | . | Iceland | 0 | 16 | 0 | . | India | 570 | 440 | 540 | . | Indonesia | 650 | 470 | 230 | . | Iran | 120 | 130 | 76 |
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| | | | | . | Iraq | 310 | 370 | 250 | . | Ireland | 10 | 9 | 5 | . | Israel | 7 | 8 | 17 | . | Italy | 12 | 11 | 5 | . | Jamaica | 120 | 120 | 87 | . | Japan | 18 | 12 | 10 | . | Jordan | 150 | 41 | 41 | . | Kazakhstan | 80 | 80 | 210 | . | Kenya | 650 | 1300 | 1000 | . | Korea, Dem. Rep. | 70 | 35 | 67 | . | Korea, Rep. | 130 | 20 | 20 | . | Kuwait | 29 | 25 | 5 | . | Kyrgyzstan | 110 | 80 | 110 | . | Laos | 650 | 650 | 650 | . | Latvia | 40 | 70 | 42 | . | Lebanon | 300 | 130 | 150 | . | Lesotho | 610 | 530 | 550 | . | Liberia | 560 | 1000 | 760 | . | Libya | 220 | 120 | 97 | . | Lithuania | 36 | 27 | 13 |
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| | | | | . | Luxembourg | 0 | 0 | 28 | . | Madagascar | 490 | 580 | 550 | . | Malawi | 560 | 580 | 1800 | . | Malaysia | 80 | 39 | 41 | . | Maldives | | 390 | 110 | . | Mali | 1200 | 630 | 1200 | . | Malta | 0 | 0 | 21 | . | Martinique | | 4 | 4 | . | Mauritania | 930 | 870 | 1000 | . | Mauritius | 120 | 45 | 24 | . | Mexico | 110 | 65 | 83 | . | Moldova | 60 | 65 | 36 | . | Mongolia | 65 | 65 | 110 | . | Morocco | 610 | 390 | 220 | . | Mozambique | 1500 | 980 | 1000 | . | Myanmar | 580 | 170 | 360 | . | Namibia | 370 | 370 | 300 | . | Nepal | 1500 | 830 | 740 | . | Netherlands | 12 | 10 | 16 | . | Netherlands Antilles | | 20 | 20 |
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| | | | | . | New Caledonia | | 10 | 10 | . | New Zealand | 25 | 15 | 7 | . | Nicaragua | 160 | 250 | 230 | . | Niger | 1200 | 920 | 1600 | . | Nigeria | 1000 | 1100 | 800 | . | Norway | 6 | 9 | 16 | . | West Bank and Gaza | | 120 | 100 | . | Oman | 190 | 120 | 87 | . | Pakistan | 340 | 200 | 500 | . | Panama | 55 | 100 | 160 | . | Papua New Guinea | 930 | 390 | 300 | . | Paraguay | 160 | 170 | 170 | . | Peru | 280 | 240 | 410 | . | Philippines | 280 | 240 | 200 | . | Poland | 19 | 12 | 13 | . | Portugal | 15 | 12 | 5 | . | Puerto Rico | | 30 | 25 | . | Qatar | | 41 | 7 | . | Reunion | | 39 | 41 | . | Romania | 130 | 60 | 49 |
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| | | | | . | Russia | 75 | 75 | 67 | . | Rwanda | 1300 | 2300 | 1400 | . | Samoa | 35 | 15 | 130 | . | Saudi Arabia | 130 | 23 | 23 | . | Senegal | 1200 | 1200 | 690 | . | Serbia and Montenegro | | 15 | 11 | . | Sierra Leone | 1800 | 2100 | 2000 | . | Singapore | 10 | 9 | 30 | . | Slovak Republic | | 14 | 3 | . | Slovenia | 13 | 17 | 17 | . | Solomon Islands | | 60 | 130 | . | Somalia | 1600 | 1600 | 1100 | . | South Africa | 230 | 340 | 230 | . | Spain | 7 | 8 | 4 | . | Sri Lanka | 140 | 60 | 92 | . | Sudan | 660 | 1500 | 590 | . | Suriname | | 230 | 110 | . | Swaziland | 560 | 370 | 370 | . | Sweden | 7 | 8 | 2 | . | Switzerland | 6 | 8 | 7 |
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| | | | | . | Syria | 180 | 200 | 160 | . | Tajikistan | 130 | 120 | 100 | . | Thailand | 200 | 44 | 44 | . | Macedonia, FYR | | 17 | 23 | . | Timor-Leste | | 850 | 660 | . | Togo | 640 | 980 | 570 | . | Trinidad and Tobago | 90 | 65 | 160 | . | Tunisia | 170 | 70 | 120 | . | Turkey | 180 | 55 | 70 | . | Turkmenistan | 55 | 65 | 31 | . | Uganda | 1200 | 1100 | 880 | . | Ukraine | 50 | 45 | 35 | . | United Arab Emirates | 26 | 30 | 54 | . | United Kingdom | 9 | 10 | 13 | . | Tanzania | 770 | 1100 | 1500 | . | United States | 12 | 12 | 17 | . | Uruguay | 85 | 50 | 27 | . | Uzbekistan | 55 | 60 | 24 | . | Vanuatu | 280 | 32 | 130 | . | Venezuela | 120 | 43 | 96 |
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| | | | | . | Vietnam | 160 | 95 | 130 | . | Western Sahara | | 850 | 850 | . | Yemen, Rep. | 1400 | 850 | 570 | . | Zambia | 940 | 870 | 750 | . | Zimbabwe | 570 | 610 | 1100 |
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