| Country | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Algeria | $52 | | | | | | |
| Anguilla | | $221 | | | | | |
| Argentina | $11,086 | $137,617 | | | | | |
| Australia | $190,100 | $164,772 | | | | | |
| Austria | $86,196 | $343,457 | | | | | |
| Bahrain | $176 | | | | | | |
| Belgium | $3,022,551 | $3,193,192 | | | | | |
| Bosnia and Herzegovina | | $2,688 | $2,906 | | | | |
| Botswana | $2,367 | $129 | | | | | $19,310 |
| Brazil | $26,380 | $24,231 | | | | | |
| Cameroon | | | | | | $1,070 | |
| Canada | $69 | $1,389 | | | | | |
| China | $195,552 | $209,157 | | | | | |
| Cyprus | $4,145 | $4,218 | | | | | |
| Czech Republic | $230,184 | $360,704 | | | | | |
| Denmark | | $166 | | | | | |
| Dominica | $1,729 | | | | | | |
| Ethiopia | | $2,960 | | | | | |
| Finland | $44,158 | $33,723 | | | | | |
| France | $3,156,721 | $3,023,359 | | | | | |
| Gabon | | $600 | | | | | |
| Germany | $224,000 | $439,000 | | | | | |
| Greece | $37,509 | $47,490 | | | | | |
| Guatemala | $937 | $11,600 | | | | | |
| Guinea | $12,614 | | | | | | |
| Guyana | $835 | | | | | | |
| Hong Kong | $2,314 | | | | | | |
| India | $279,401 | $173,273 | $19,872 | | | | |
| Indonesia | $21,453 | $34,692 | $14,562 | $166,612 | $661,214 | | |
| Ireland | | $105,335 | | | | | |
| Israel | | $3,000 | | | | | |
| Italy | $5,308,987 | $5,506,492 | | | | | |
| Japan | $7,079,339 | $7,215,765 | | | | | |
| Korea, South | $861,042 | $615,265 | | | | | |
| Kuwait | | | $148 | | | | |
| Latvia | $13,219 | $14,081 | | | | | |
| Luxembourg | $38,435 | $42,785 | | | | | |
| Macedonia | | $323 | | | | | |
| Malaysia | $21,287 | $73,055 | $71,114 | | | | |
| Maldives | | | $1,898 | | | | |
| Morocco | | | | | | $6,063 | |
| Namibia | $7,462 | $87,266 | | | | | |
| Netherlands | $914,973 | $1,270,118 | | | | | |
| New Zealand | | $65,775 | | | | | |
| Norway | $9,458 | | | | | | |
| Oman | | $408 | | | | | |
| Pakistan | $8,383 | $6,282 | | | | | |
| Panama | $2,241 | $253,324 | $55,768 | | | | |
| Philippines | | | | $3,778 | | | |
| Poland | | $11,144 | | | | | |
| Portugal | $202,310 | $319,069 | | | | | |
| Qatar | | | | $15,386 | | | |
| Romania | $1,451 | $4,959 | | | | | |
| Rwanda | | | $146 | | | | |
| Saint Kitts and Nevis | | | | $39 | | | |
| Singapore | $471 | | | | | | |
| Slovenia | | $5,657 | | | | | |
| South Africa | $61,609 | $270 | | | | | |
| Spain | $192,231 | $99,744 | | | | | |
| Sri Lanka | | $860 | | | | | |
| Swaziland | $951 | $5,778 | | | | | |
| Sweden | $63,626 | $23,096 | | | | | |
| Switzerland | $988,122 | $936,199 | | | | | |
| Tanzania | $470 | $2,299 | | | | | |
| Turkey | $22,613 | $26,233 | | | | | |
| United Arab Emirates | $46,537 | | | | | | |
| United Kingdom | $1,275,742 | $658,715 | | | | | |
| United States | $90,346 | $114,853 | | | | | |
| Venezuela | $68,328 | | $29,050 | $4,402 | | $62 | |
| Yemen | $3,617 | $1,210 | | $12,665 | | | |
| Zimbabwe | $32,415 | | | | | | |
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