| Country | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Albania | $93 | | $3,983 | | | | |
| Algeria | $21,371 | $620 | | | | | |
| Anguilla | | | $244 | $210 | | | |
| Antigua and Barbuda | | | $15 | | | | |
| Argentina | $12,614 | $22 | | | | | |
| Australia | | $1,056 | | | | | |
| Austria | $210,037 | $65,786 | | | | | |
| Bahamas, The | $3,391 | $1,715 | $237 | $142 | | | |
| Bahrain | $3,556 | $324 | | $54,534 | | | |
| Bangladesh | $1,323 | $4,095 | $3,670 | | | | |
| Barbados | $60,340 | | | | | $19 | |
| Belgium | $23,729 | $253,049 | | | | | |
| Bhutan | $3,917 | $1,384 | | | | | |
| Bolivia | $11 | | | | | | |
| Bosnia and Herzegovina | | | $42 | | | | |
| Botswana | $1,060 | $13,047 | $4,939 | $218 | $258 | $482 | $5,333 |
| Brazil | $20,055 | | | | | | |
| Brunei | | $2,816 | | | | | |
| Burkina Faso | $218 | | | | | | |
| Cambodia | $1,956 | | | | | | |
| Cameroon | $35 | $221 | | $1,484 | $4,762 | $696 | |
| Canada | $95,459 | $83,813 | | | | | |
| Chile | $468 | | | | | | |
| China | $544,968 | $283,525 | | | | | |
| Colombia | $2,803 | $44 | | | | | |
| Comoros | | | $883 | | | | |
| Costa Rica | $36 | $1,526 | | | | | |
| Cote d'Ivoire | | | $1,930 | | | | |
| Croatia | $260 | $3,449 | | | | | |
| Cuba | $473,079 | | | | | | |
| Cyprus | $544 | | | | | | |
| Czech Republic | $2,114 | $7,875 | | | | | |
| Denmark | $991 | $35,098 | | | | | |
| Dominican Republic | $195 | | | | | | |
| East Timor | $137 | | | | | | |
| Ecuador | | | $2 | | | | |
| Egypt | $1,390 | | $17,557 | | | | |
| Ethiopia | $117,519 | $1,168 | $1,528 | | | | |
| Finland | $2,647 | | | | | | |
| France | $94,565 | $302,587 | | | | | |
| French Polynesia | $416 | | | | | | |
| Gambia, The | | | | $317 | | | |
| Germany | $12,000 | $13,000 | | | | | |
| Ghana | $1,484 | | $237 | | $185 | | |
| Greece | $154,623 | $95,931 | | | | | |
| Guatemala | $13 | | | | | | |
| Guinea | $1,232 | $4,420 | $86 | $1,236 | | | |
| Honduras | | $67 | | | | | |
| India | $524 | $57,871 | | | | | |
| Indonesia | $48,696 | $7,901 | $34,061 | $37,477 | $35,824 | | |
| Iran | $1,099 | | | | | | |
| Ireland | $87,188 | $83,363 | | | | | |
| Israel | $9,000 | | | | | | |
| Italy | $12,944 | $11,183 | | | | | |
| Jamaica | $1,133 | | | | | | |
| Japan | $5,372 | | | | | | |
| Kazakhstan | $14,729 | $1,828 | $425 | | | | |
| Kenya | $1,108 | $10,227 | $840 | | | | |
| Korea, South | $40,230 | $115,435 | | | | | |
| Kuwait | | $44,982 | $190,779 | | | | |
| Latvia | $14,534 | $106,855 | | | | | |
| Lithuania | $35,003 | $558 | | | | | |
| Luxembourg | $5,356 | $2,341 | | | | | |
| Macau | $1,248 | $725 | | | | | |
| Madagascar | | $986 | | | | | |
| Malawi | | $33 | | | | | |
| Malaysia | $301,131 | $191,772 | $144,014 | $65,336 | | | |
| Maldives | $57 | $669 | $3,566 | | | | |
| Malta | $14,448 | $3,869 | | | | | |
| Mauritania | | | | $81 | $2,327 | $533 | |
| Mauritius | | $3,566 | | | | | |
| Mexico | $40,877 | $27,604 | $10,345 | | | | |
| Morocco | $5 | | $4,258 | $16,181 | $275,268 | $1,714 | |
| Mozambique | | | $518 | $26,591 | | | |
| Namibia | $935 | $374 | | | | | |
| Netherlands | $98,210 | $394,478 | | | | | |
| Netherlands Antilles | | | | $1,037 | | | |
| New Zealand | | $88 | | | | | |
| Niger | | $10 | | | | | |
| Nigeria | | | $10,339 | | | | |
| Norway | $12,336 | $9,298 | | | | | |
| Oman | $8,619 | $8,104 | | | | | |
| Pakistan | $1,724 | $127,463 | | | | | |
| Panama | | $126,167 | $373 | | | | |
| Peru | | $18,989 | | | | | |
| Philippines | $112,188 | $8,175 | $39,770 | $6,023 | $6,247 | $53,911 | $5,151 |
| Poland | | $3,454 | | | | | |
| Portugal | $3,414 | $33,746 | | | | | |
| Qatar | $52,880 | $227,185 | $2,069,628 | $1,144,734 | | $4,513 | |
| Romania | $15 | | | | | | |
| Russia | $738 | $60,225 | | | | | |
| Rwanda | | | | $84 | | | |
| Saint Kitts and Nevis | | $204 | | | | | |
| Saint Lucia | | | $65 | | | | |
| Saint Vincent and the Grenadines | | $248 | $29 | | | | |
| Samoa | $15 | $193 | $476 | | | | |
| Saudi Arabia | $9,494 | $38,901 | | | | | |
| Senegal | $2,457 | $1,651 | $2,514 | | | | |
| Serbia | | $740 | | | | | |
| Seychelles | $1,998 | $785 | $15 | $961 | | | |
| Singapore | $81,432 | $412,014 | | | | | |
| Slovakia | $14,857 | $16,483 | | | | | |
| Slovenia | $1,334 | $9,193 | | | | | |
| South Africa | $673 | $7,852 | | | | | |
| Spain | $76,384 | $128,017 | | | | | |
| Sudan | $474 | | | | | | |
| Swaziland | $33,631 | $122,762 | $21,688 | | | | |
| Sweden | $670 | $11,820 | | | | | |
| Switzerland | $932 | $1,757 | | | | | |
| Tanzania | $3,466 | $1,494 | $267 | | | | |
| Tonga | $303 | | $2,036 | | | | |
| Trinidad and Tobago | $22 | $1,491 | | | | | |
| Tunisia | $3,470 | $7,142 | $606 | | | | |
| Turkey | $2,159 | $997 | | | | | |
| Uganda | $9,094 | $1,850 | $57 | | | | |
| Ukraine | | | | $310 | | | |
| United Arab Emirates | $210,778 | | $327,384 | | | | |
| United Kingdom | $29,402 | $66,019 | | | | | |
| United States | $1,989,942 | $238,497 | | | | | |
| Vanuatu | | $2,867 | | | | | |
| Venezuela | $481 | $800 | $5,311 | $168,264 | $132,492 | $1,613 | $3,107 |
| Vietnam | $6,470 | $379 | $475 | | | | |
| Yemen | | $41 | $49,329 | | | | |
| Zambia | $44 | $1,329 | $14 | | | | |
| Zimbabwe | | $3,541 | $51 | | | | |
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