| Country | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argentina | $1,560 | $151 | $3,164 | $10,485 | $18,038 | | |
| Austria | | | | | | $193 | |
| Belgium | $1,512,406 | $1,386,632 | $20,351 | $8,961 | $38 | $1,001 | |
| Chile | $1,224 | $1,540 | $2,395 | | | | |
| China | $22,613 | $20,980 | | | | | |
| Croatia | | $39,470 | $15,192 | $34,283 | | | |
| Czech Republic | | | | | $164 | $575 | |
| Denmark | | $5,743 | | | $11,239 | | |
| Egypt | | | | | | $16,581 | |
| Finland | $138 | $827 | | | | | |
| Germany | $1,901,000 | $1,287,000 | $1,907,000 | $2,372,000 | $676,000 | $867,886 | $2,509,330 |
| Greece | | | $2,011 | | | | |
| Hong Kong | | | | | | | $3,083 |
| India | $52,024 | $6,275 | $4,392 | $2,931 | $3,361 | $10 | $2,663 |
| Ireland | $2,217 | | | | | | |
| Italy | $3,360,741 | $3,369,145 | $1,522,932 | $1,053,017 | $492,533 | $684,730 | $1,936,217 |
| Japan | $10,466 | $3,223 | $3,192 | | | $15,201 | |
| Kazakhstan | | | | | $4,157 | | |
| Kenya | | $175 | | $239 | | | |
| Korea, South | $934,670 | $974,813 | $12,277 | | $16,008 | | |
| Lithuania | $223 | $1,746 | $253 | | | | |
| Luxembourg | $96 | | | | | | |
| Malaysia | | | | $145,837 | $85,765 | | |
| Namibia | $25,124 | $1 | | | | | |
| Netherlands | $875,542 | $28,896 | $28,829 | $32,419 | $23,720 | $11,937 | |
| Russia | $275,334 | $275,521 | | $38,347 | | | |
| Serbia | | $1,911 | $7,952 | | | | |
| South Africa | $2 | | | $183 | | | $5,908 |
| Spain | $3,829,983 | $766,576 | $51,941 | $55,724 | $29,019 | $8,705 | |
| Sri Lanka | | | $2,269 | | | | |
| Sweden | | $272 | | $770 | $263 | | $771 |
| Switzerland | $5,428 | $7,636 | $33,596 | $28,965 | $29,506 | $48,512 | $54,807 |
| Thailand | | | | | $554 | | |
| Tunisia | | | | | | $376 | |
| Turkey | $159 | | | | | | $3,580 |
| Ukraine | | $97 | | | | | |
| United Arab Emirates | | | | $14,427 | | | |
| United Kingdom | $168,196 | | | | | | |
| United States | $4,448,442 | $4,112,115 | $3,333,416 | $621,573 | $116,196 | $73,629 | $426,174 |
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