| 季度 | 單位：萬立方米 |
| 2012-12 | 購買后可見 ? |
| 2012-09 | 購買后可見 ? |
| 2012-06 | 購買后可見 ? |
| 2012-03 | 購買后可見 ? |
| 2011-12 | 購買后可見 ? |
| 2011-09 | 購買后可見 ? |
| 2011-06 | 購買后可見 ? |
| 2011-03 | 購買后可見 ? |
| 2010-12 | 購買后可見 ? |
| 2010-09 | 購買后可見 ? |
| 2010-06 | 購買后可見 ? |
| 2010-03 | 購買后可見 ? |
| 2009-12 | 購買后可見 ? |
| 2009-09 | 購買后可見 ? |
| 2009-06 | 購買后可見 ? |
| 2009-03 | 購買后可見 ? |
| 2008-12 | 購買后可見 ? |
| 2008-09 | 購買后可見 ? |
| 2008-06 | 購買后可見 ? |
| 2008-03 | 購買后可見 ? |
| 2007-12 | 購買后可見 ? |
| 2007-09 | 購買后可見 ? |
| 2007-06 | 購買后可見 ? |
| 2007-03 | 購買后可見 ? |
| 2006-12 | 購買后可見 ? |
| 2006-09 | 購買后可見 ? |
| 2006-06 | 購買后可見 ? |
| 2006-03 | 購買后可見 ? |
| 2005-12 | 購買后可見 ? |
| 2005-09 | 購買后可見 ? |
| 2005-06 | 購買后可見 ? |
| 2005-03 | 購買后可見 ? |
| 2004-12 | 購買后可見 ? |
| 2004-09 | 購買后可見 ? |
| 2004-06 | 購買后可見 ? |
| 2004-03 | 購買后可見 ? |
| 2003-12 | 2812.70 |
| 2003-09 | 2064.70 |
| 2003-06 | 1333.60 |
| 2003-03 | 583.80 |
| 2002-12 | 2529.80 |
| 2002-09 | 1780.40 |
| 2002-06 | 1169.00 |
| 2002-03 | 548.20 |
| 2001-12 | 1740.10 |
| 2001-09 | 1219.60 |
| 2001-06 | 798.60 |
| 2001-03 | 371.00 |
| 2000-12 | 1585.00 |
| 2000-09 | 1143.82 |
| 2000-06 | 702.60 |
| 2000-03 | 306.30 |
| 1999-12 | 1119.60 |
| 1999-09 | 775.90 |
| 1999-06 | 495.10 |
| 1999-03 | 237.90 |
| 1998-12 | 1001.76 |
| 1998-09 | 634.59 |
| 1998-06 | 392.79 |
| 1998-03 | 172.77 |
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