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China
| India
| Brazil
| Russia
| South Africa
| ||
|---|---|---|---|---|---|---|
| 2000 | 1,210 | 468 | 656 | 260 | 152 | |
| 2001 | 1,340 | 485 | 560 | 307 | 135 | |
| 2002 | 1,470 | 515 | 510 | 346 | 129 | |
| 2003 | 1,660 | 608 | 558 | 430 | 197 | |
| 2004 | 1,960 | 709 | 669 | 591 | 256 | |
| 2005 | 2,290 | 820 | 892 | 764 | 289 | |
| 2006 | 2,750 | 940 | 1,110 | 990 | 304 | |
| 2007 | 3,550 | 1,220 | 1,400 | 1,300 | 333 | |
| 2008 | 4,590 | 1,200 | 1,700 | 1,660 | 316 | |
| 2009 | 5,100 | 1,340 | 1,670 | 1,220 | 330 |
