| 季度 | 单位：万吨 |
| 2012-12 | 购买后可见 » |
| 2012-09 | 购买后可见 » |
| 2012-06 | 购买后可见 » |
| 2012-03 | 购买后可见 » |
| 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 | 16393.50 |
| 2003-09 | 12295.00 |
| 2003-06 | 8233.70 |
| 2003-03 | 4088.10 |
| 2002-12 | 16290.60 |
| 2002-09 | 12295.00 |
| 2002-06 | 8217.20 |
| 2002-03 | 4021.70 |
| 2001-12 | 15968.50 |
| 2001-09 | 12054.30 |
| 2001-06 | 8010.40 |
| 2001-03 | 4015.10 |
| 2000-12 | 15694.50 |
| 2000-09 | 11747.10 |
| 2000-06 | 7835.40 |
| 2000-03 | 3823.90 |
| 1999-12 | 15307.60 |
| 1999-09 | 11248.90 |
| 1999-06 | 7632.60 |
| 1999-03 | 3823.70 |
| 1998-12 | 15455.09 |
| 1998-09 | 11341.55 |
| 1998-06 | 7504.33 |
| 1998-03 | 3674.26 |
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