| 年份 | 利润(亿元) | 铁矿石进口比例 | 调整后利润(亿元) | 单位利润(元/吨) |
| 2010 | 850 | 63.28% | 538 | 106 |
| 2009 | 554 | 72.85% | 403 | 80 |
| 2008 | 846 | 54.79% | 464 | 140 |
| 2007 | 777 | 53.57% | 416 | 137 |
| 2006 | 618 | 54.17% | 335 | 132 |
| 2005 | 1,100 | 58.16% | 640 | 291 |