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United States
| Germany
| Japan
| United Kingdom
| France
| Italy
| Canada
| ||
|---|---|---|---|---|---|---|---|---|
| 2000 | 10,250 | 1,950 | 4,970 | 1,670 | 1,370 | 1,150 | 745 | |
| 2001 | 10,580 | 1,950 | 4,370 | 1,650 | 1,380 | 1,170 | 739 | |
| 2002 | 10,930 | 2,080 | 4,180 | 1,790 | 1,500 | 1,280 | 761 | |
| 2003 | 11,460 | 2,500 | 4,520 | 2,060 | 1,840 | 1,580 | 896 | |
| 2004 | 12,220 | 2,810 | 4,890 | 2,420 | 2,120 | 1,810 | 1,030 | |
| 2005 | 13,040 | 2,850 | 4,830 | 2,540 | 2,200 | 1,860 | 1,170 | |
| 2006 | 13,820 | 2,990 | 4,600 | 2,710 | 2,320 | 1,950 | 1,320 | |
| 2007 | 14,470 | 3,430 | 4,580 | 3,090 | 2,660 | 2,210 | 1,470 | |
| 2008 | 14,770 | 3,750 | 5,110 | 2,930 | 2,930 | 2,410 | 1,550 | |
| 2009 | 14,480 | 3,410 | 5,290 | 2,420 | 2,700 | 2,200 | 1,370 |
