| 年月 | 单位：万吨 |
| 2010-12 | 150.50 |
| 2010-11 | 133.60 |
| 2010-10 | 118.25 |
| 2010-09 | 102.60 |
| 2010-08 | 86.90 |
| 2010-07 | 73.60 |
| 2010-06 | 65.10 |
| 2010-05 | 53.40 |
| 2010-04 | 41.30 |
| 2010-03 | 30.10 |
| 2010-02 | 19.30 |
| 2010-01 | 9.75 |
| 2009-12 | 98.06 |
| 2009-11 | 88.15 |
| 2009-10 | 77.94 |
| 2009-09 | 68.54 |
| 2009-08 | 56.58 |
| 2009-07 | 48.37 |
| 2009-06 | 41.81 |
| 2009-05 | 34.41 |
| 2009-04 | 27.22 |
| 2009-03 | 20.19 |
| 2009-02 | 12.32 |
| 2009-01 | 5.61 |
| 2008-12 | 79.93 |
| 2008-11 | 72.17 |
| 2008-10 | 65.79 |
| 2008-09 | 58.18 |
| 2008-08 | 49.66 |
| 2008-07 | 42.60 |
| 2008-06 | 36.06 |
| 2008-05 | 29.19 |
| 2008-04 | 22.37 |
| 2008-03 | 16.75 |
| 2008-02 | 10.71 |
| 2008-01 | 5.24 |
| 2007-12 | 63.42 |
| 2007-11 | 57.90 |
| 2007-10 | 52.88 |
| 2007-09 | 46.88 |
| 2007-08 | 38.85 |
| 2007-07 | 32.59 |
| 2007-06 | 28.43 |
| 2007-05 | 23.97 |
| 2007-04 | 19.56 |
| 2007-03 | 14.69 |
| 2007-02 | 12.58 |
| 2007-01 | 7.70 |
| 2006-12 | 59.06 |
| 2006-11 | 53.52 |
| 2006-10 | 48.19 |
| 2006-09 | 42.06 |
| 2006-08 | 34.94 |
| 2006-07 | 29.82 |
| 2006-06 | 25.56 |
| 2006-05 | 20.95 |
| 2006-04 | 17.27 |
| 2006-03 | 12.87 |
| 2006-02 | 9.14 |
| 2006-01 | 4.62 |
| 2005-12 | 42.93 |
| 2005-11 | 37.58 |
| 2005-10 | 33.72 |
| 2005-09 | 29.37 |
| 2005-08 | 24.82 |
| 2005-07 | 21.58 |
| 2005-06 | 18.61 |
| 2005-05 | 14.05 |
| 2005-04 | 11.07 |
| 2005-03 | 8.21 |
| 2005-02 | 5.83 |
| 2005-01 | 2.64 |
| 2004-12 | 34.01 |
| 2004-11 | 28.73 |
| 2004-10 | 25.74 |
| 2004-09 | 22.82 |
| 2004-08 | 18.87 |
| 2004-07 | 16.49 |
| 2004-06 | 13.97 |
| 2004-05 | 11.70 |
| 2004-04 | 9.38 |
| 2004-03 | 6.81 |
| 2004-02 | 4.77 |
| 2004-01 | 2.54 |
| 2003-12 | 22.83 |
| 2003-11 | 19.83 |
| 2003-10 | 17.93 |
| 2003-09 | 16.10 |
| 2003-08 | 13.57 |
| 2003-07 | 11.40 |
| 2003-06 | 10.08 |
| 2003-05 | 8.75 |
| 2003-04 | 7.39 |
| 2003-03 | 5.73 |
| 2003-02 | 3.41 |
| 2003-01 | 1.99 |
| 2002-12 | 20.56 |
| 2002-11 | 18.57 |
| 2002-10 | 16.47 |
| 2002-09 | 14.34 |
| 2002-08 | 11.10 |
| 2002-07 | 9.40 |
| 2002-06 | 8.10 |
| 2002-05 | 6.54 |
| 2002-04 | 5.31 |
| 2002-03 | 3.93 |
| 2002-02 | 2.71 |
| 2002-01 | 1.26 |
| 2001-12 | 14.57 |
| 2001-11 | 12.87 |
| 2001-10 | 11.55 |
| 2001-09 | 10.41 |
| 2001-08 | 8.48 |
| 2001-07 | 7.46 |
| 2001-06 | 6.58 |
| 2001-05 | 5.40 |
| 2001-04 | 4.40 |
| 2001-03 | 3.38 |
| 2001-02 | 1.91 |
| 2001-01 | 1.00 |
| 2000-12 | 13.32 |
| 2000-11 | 11.46 |
| 2000-10 | 8.84 |
| 2000-09 | 7.98 |
| 2000-08 | 6.44 |
| 2000-07 | 5.18 |
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