| 年月 | 单位：吨 |
| 2007-12 | 82.00 |
| 2007-11 | 550.00 |
| 2007-10 | 63.00 |
| 2007-09 | 134.00 |
| 2007-08 | 9615.00 |
| 2007-07 | 155.00 |
| 2007-06 | 173.00 |
| 2007-05 | 5534.00 |
| 2007-04 | 5009.00 |
| 2007-03 | 18184.00 |
| 2007-02 | 32.00 |
| 2007-01 | 154.00 |
| 2006-12 | 93.00 |
| 2006-11 | 19504.00 |
| 2006-10 | 23840.00 |
| 2006-09 | 31294.00 |
| 2006-08 | 19729.00 |
| 2006-07 | 20174.00 |
| 2006-06 | 123.00 |
| 2006-05 | 95.00 |
| 2006-04 | 191.00 |
| 2006-03 | 11165.00 |
| 2006-02 | 130.00 |
| 2006-01 | 16055.00 |
| 2005-12 | 29500.00 |
| 2005-11 | 5000.00 |
| 2005-10 | 100.00 |
| 2005-09 | 140.00 |
| 2005-08 | 7000.00 |
| 2005-07 | 0.00 |
| 2005-06 | 150.00 |
| 2005-05 | 28100.00 |
| 2005-04 | 27000.00 |
| 2005-03 | 400.00 |
| 2005-02 | 82.00 |
| 2005-01 | 18.00 |
| 2004-12 | 15000.00 |
| 2004-11 | 15460.00 |
| 2004-10 | 500.00 |
| 2004-09 | 200.00 |
| 2004-08 | 8200.00 |
| 2004-07 | 8000.00 |
| 2004-06 | 18000.00 |
| 2004-05 | 25000.00 |
| 2004-04 | 33809.00 |
| 2004-03 | 18000.00 |
| 2004-02 | 25000.00 |
| 2004-01 | 10000.00 |
| 2003-12 | 42518.00 |
| 2003-11 | 18000.00 |
| 2003-10 | 14214.00 |
| 2003-09 | 9000.00 |
| 2003-08 | 38000.00 |
| 2003-07 | 11000.00 |
| 2003-06 | 10676.00 |
| 2003-05 | 28170.00 |
| 2003-04 | 28970.00 |
| 2003-03 | 29387.00 |
| 2003-02 | 27591.00 |
| 2003-01 | 26076.00 |
| 2002-12 | 29147.00 |
| 2002-11 | 37946.00 |
| 2002-10 | 26996.00 |
| 2002-09 | 29162.00 |
| 2002-08 | 67056.00 |
| 2002-07 | 17737.00 |
| 2002-06 | 30795.00 |
| 2002-05 | 9499.00 |
| 2002-04 | 237.00 |
| 2002-03 | 31797.00 |
| 2002-02 | 6186.00 |
| 2002-01 | 7114.00 |
| 2001-12 | 6242.00 |
| 2001-11 | 130.00 |
| 2001-10 | 10047.00 |
| 2001-09 | 189.00 |
| 2001-08 | 5178.00 |
| 2001-07 | 185.00 |
| 2001-06 | 5921.00 |
| 2001-05 | 120.00 |
| 2001-04 | 5066.00 |
| 2001-03 | 12569.00 |
| 2001-02 | 13664.00 |
| 2001-01 | 9356.00 |
| 2000-12 | 26167.00 |
| 2000-11 | 29091.00 |
| 2000-10 | 122.00 |
| 2000-09 | 24479.00 |
| 2000-08 | 16055.00 |
| 2000-07 | 184.00 |
| 2000-06 | 3040.00 |
| 2000-05 | 11761.00 |
| 2000-04 | 173.00 |
| 2000-03 | 4442.00 |
| 2000-02 | 4394.00 |
| 2000-01 | 15042.00 |
| 1999-12 | 273.00 |
| 1999-11 | 215.00 |
| 1999-10 | 494.00 |
| 1999-09 | 8258.00 |
| 1999-08 | 197.00 |
| 1999-07 | 5249.00 |
| 1999-06 | 4866.00 |
| 1999-05 | 230.00 |
| 1999-04 | 4706.00 |
| 1999-03 | 286.00 |
| 1999-02 | 4641.00 |
| 1999-01 | 6287.00 |
| 1998-12 | 14421.00 |
| 1998-11 | 4807.00 |
| 1998-10 | 4233.00 |
| 1998-09 | 1957.00 |
| 1998-08 | 10133.00 |
| 1998-07 | 11290.00 |
| 1998-06 | 10382.00 |
| 1998-05 | 2280.00 |
| 1998-04 | 4294.00 |
| 1998-03 | 1790.00 |
| 1998-02 | 11559.00 |
| 1998-01 | 7094.00 |
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