| Country | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Albania | $12 | $767 | | | | | |
| Algeria | | $258 | | | | | |
| Argentina | $9,420 | | | | | | |
| Australia | $349,875 | $759,439 | | | | | |
| Austria | $3,676 | $36 | | | | | |
| Barbados | | | | $206 | $13 | $18 | $71 |
| Belgium | $163,663 | $158,292 | | | | | |
| Brazil | $7,755 | $6,070 | | | | | |
| Bulgaria | | $22,237 | | | | | |
| Burkina Faso | $9,323 | | | | | | |
| Burundi | | | | $10 | | | |
| Cameroon | | $31 | $425 | $667 | | | |
| Canada | $97,641 | $134,973 | | | | | |
| China | $1,797,868 | $1,155,085 | | | | | |
| Costa Rica | $7 | $12 | | | | | |
| Cote d'Ivoire | $5,000 | $13,208 | | | | | |
| Croatia | | $284 | | | | | |
| Czech Republic | | $994 | | | | | |
| Denmark | $11,142 | $5,670 | | | | | |
| Ecuador | | $2,072 | | | | | |
| Egypt | $70,379 | | | | | | |
| Estonia | $5,527 | $19,307 | | | | | |
| Finland | $12,628 | $30,230 | | | | | |
| France | $22,396 | $1,255 | | | | | |
| Gabon | | $957 | $475 | $1,185 | $715 | | |
| Germany | $666,000 | $592,000 | | | | | |
| Ghana | | $33 | | | | | |
| Greece | $42,388 | $71,207 | | | | | |
| Guatemala | $1,557 | | | | | | |
| Guinea | | $477 | | | | | |
| Guyana | $15,527 | $25,750 | | | | | |
| Honduras | | $4,950 | | | | | |
| Hong Kong | $92,127 | $95,061 | | | | | |
| Hungary | $3,000 | | | | | | |
| India | $4,808,302 | $2,609,621 | $3,380,701 | $1,291,270 | | | |
| Indonesia | $4,125,466 | $4,918,544 | $370,965 | $2,862 | $33,029 | | |
| Iran | $6,878 | $25,780 | | | | $4,302 | |
| Ireland | $15,705 | $19,120 | | | | | |
| Italy | $11,218 | $26,921 | | | | | |
| Japan | $2,102 | | | | | | |
| Jordan | | $3,530 | | | | | |
| Kenya | $3,475 | | | | | | |
| Korea, South | $14,161 | $31,199 | | | | | |
| Kyrgyzstan | $443,432 | $7,657 | | | | | |
| Lithuania | $5,210 | $38,354 | | | | | |
| Luxembourg | $11,740 | | | | | | |
| Madagascar | $3,296 | | | | | | |
| Malaysia | $6,932 | $56,193 | $241,296 | $137,548 | | | |
| Mali | $775 | $673 | $5,778 | | | | |
| Mexico | $35 | $28,092 | $44,957 | | | | |
| Morocco | $435,873 | $477,773 | $625,590 | $694,552 | $492,476 | $724,477 | |
| Namibia | | $11 | | | | | |
| Netherlands | $957,624 | $860,594 | | | | | |
| New Zealand | | $2,515 | | | | | |
| Norway | $1,766 | $63,542 | | | | | |
| Pakistan | $627,745 | $498,055 | $80,518 | | | | |
| Peru | $2,923 | | $3,503 | | | | |
| Poland | $186,928 | $252,723 | | | | | |
| Portugal | $9,457 | | | | | | |
| Romania | | $8,067 | | | | | |
| Russia | $72,177 | $50,443 | | | | | |
| Saint Lucia | | $37 | | | | | |
| Saint Vincent and the Grenadines | $120 | | | | | | |
| Saudi Arabia | $95,377 | $66,526 | | | | | |
| Senegal | $438 | $1,073 | | | | | |
| Serbia | $1,405 | $10,356 | | | | | |
| Slovakia | $457,186 | | | | | | |
| South Africa | $52,310 | $340 | | | | | |
| Spain | $2,688,248 | $2,332,539 | | | | | |
| Sri Lanka | $3,651 | | | | | | |
| Sweden | $268 | $2,309 | | | | | |
| Switzerland | $1,445 | $34,016 | | | | | |
| Syria | | $1,649 | | | | | |
| Thailand | | $37 | | | | | |
| Tunisia | | $792 | | | | | |
| Turkey | $249,959 | $358,926 | | | | | |
| Ukraine | $17,181 | $16,644 | $31,462 | $32,020 | $15,053 | $36,513 | |
| United Arab Emirates | $10,646 | | $11,584 | | | | |
| United Kingdom | $757,450 | $499,252 | | | | | |
| United States | $13,630,217 | $16,525,392 | | | | | |
| Vietnam | $21,400 | | | | | | |
| Yemen | $1,566 | | | | | | |
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