| 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | |
| JPN | 48,041.36 | 44,378.75 | 39,366.73 | 35,129.68 | 42,360.23 | 46,293.41 |
| USA | 42,484.85 | 40,068.39 | 30,173.99 | 32,059.19 | 29,954.64 | 31,535.02 |
| CHN | 25,250.44 | 32,628.77 | 54,892.73 | 57,158.77 | 19,677.04 | 90,319.81 |
| BRA | 2842.27 | 5223.73 | 5242.78 | 5892.79 | 5800.05 | 10,799.74 |
| 2010 | 2011 | 2012 | 2013 | 2014 | ||
| JPN | 56,740.48 | 60,456.59 | 65,536.25 | 50,848.13 | 44,256.41 | |
| USA | 30,764.72 | 32,713.13 | 33,412.13 | 28,821.26 | 41,461.45 | |
| CHN | 135,726.75 | 112,580.48 | 112,580.48 | 264,261.77 | 292,592.94 | |
| BRA | 9324.59 | 11,638.44 | 11,638.44 | 6194.04 | 8817.67 |