| 季度 | 单位：万吨 |
| 2011-12 | 购买后可见 » |
| 2011-09 | 购买后可见 » |
| 2011-06 | 购买后可见 » |
| 2011-03 | 购买后可见 » |
| 2010-12 | 购买后可见 » |
| 2010-09 | 购买后可见 » |
| 2010-06 | 购买后可见 » |
| 2010-03 | 购买后可见 » |
| 2009-12 | 购买后可见 » |
| 2009-09 | 购买后可见 » |
| 2009-06 | 购买后可见 » |
| 2009-03 | 购买后可见 » |
| 2008-12 | 购买后可见 » |
| 2008-09 | 购买后可见 » |
| 2008-06 | 购买后可见 » |
| 2008-03 | 购买后可见 » |
| 2007-12 | 购买后可见 » |
| 2007-09 | 购买后可见 » |
| 2007-06 | 购买后可见 » |
| 2007-03 | 购买后可见 » |
| 2006-12 | 购买后可见 » |
| 2006-09 | 购买后可见 » |
| 2006-06 | 购买后可见 » |
| 2006-03 | 购买后可见 » |
| 2005-12 | 购买后可见 » |
| 2005-09 | 购买后可见 » |
| 2005-06 | 购买后可见 » |
| 2005-03 | 购买后可见 » |
| 2004-12 | 购买后可见 » |
| 2004-09 | 购买后可见 » |
| 2004-06 | 购买后可见 » |
| 2004-03 | 购买后可见 » |
| 2003-12 | 购买后可见 » |
| 2003-09 | 购买后可见 » |
| 2003-06 | 购买后可见 » |
| 2003-03 | 购买后可见 » |
| 2002-12 | 4535.60 |
| 2002-09 | 3774.40 |
| 2002-06 | 2357.10 |
| 2002-03 | 1046.10 |
| 2001-12 | 4262.10 |
| 2001-09 | 3422.50 |
| 2001-06 | 2265.10 |
| 2001-03 | 1167.70 |
| 2000-12 | 4201.60 |
| 2000-09 | 3234.50 |
| 2000-06 | 2144.60 |
| 2000-03 | 1089.50 |
| 1999-12 | 4395.30 |
| 1999-09 | 3267.70 |
| 1999-06 | 2065.10 |
| 1999-03 | 1045.50 |
| 1998-12 | 4016.07 |
| 1998-09 | 2998.53 |
| 1998-06 | 2014.46 |
| 1998-03 | 1029.57 |
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