| 年份 | 利润(百万美元) | 利润率 |
| 2010 | 26,128 | 64.17% |
| 2009 | 13,058 | 54.97% |
| 2008 | 16,463 | 56.08% |
| 2007 | 8,072 | 48.06% |
| 2006 | 7,245 | 52.03% |
| 2005 | 4,963 | 47.70% |