| 年月 | 单位：吨 |
| 2007-12 | 104.00 |
| 2007-11 | 119.00 |
| 2007-10 | 115.00 |
| 2007-09 | 103.00 |
| 2007-08 | 205.00 |
| 2007-07 | 122.00 |
| 2007-06 | 215.00 |
| 2007-05 | 265.00 |
| 2007-04 | 234.00 |
| 2007-03 | 148.00 |
| 2007-02 | 210.00 |
| 2007-01 | 191.00 |
| 2006-12 | 237.00 |
| 2006-11 | 147.00 |
| 2006-10 | 141.00 |
| 2006-09 | 85.00 |
| 2006-08 | 190.00 |
| 2006-07 | 168.00 |
| 2006-06 | 129.00 |
| 2006-05 | 202.00 |
| 2006-04 | 307.00 |
| 2006-03 | 407.00 |
| 2006-02 | 210.00 |
| 2006-01 | 176.00 |
| 2005-12 | 133.00 |
| 2005-11 | 159.00 |
| 2005-10 | 136.00 |
| 2005-09 | 162.00 |
| 2005-08 | 144.00 |
| 2005-07 | 105.00 |
| 2005-06 | 124.00 |
| 2005-05 | 123.00 |
| 2005-04 | 313.00 |
| 2005-03 | 208.00 |
| 2005-02 | 206.00 |
| 2005-01 | 177.00 |
| 2004-12 | 289.00 |
| 2004-11 | 334.00 |
| 2004-10 | 200.00 |
| 2004-09 | 203.00 |
| 2004-08 | 193.00 |
| 2004-07 | 187.00 |
| 2004-06 | 241.00 |
| 2004-05 | 287.00 |
| 2004-04 | 391.00 |
| 2004-03 | 338.00 |
| 2004-02 | 166.00 |
| 2004-01 | 139.00 |
| 2003-12 | 347.00 |
| 2003-11 | 250.00 |
| 2003-10 | 251.00 |
| 2003-09 | 142.00 |
| 2003-08 | 182.00 |
| 2003-07 | 246.00 |
| 2003-06 | 244.00 |
| 2003-05 | 234.00 |
| 2003-04 | 303.00 |
| 2003-03 | 175.00 |
| 2003-02 | 151.00 |
| 2003-01 | 288.00 |
| 2002-12 | 481.00 |
| 2002-11 | 491.00 |
| 2002-10 | 353.00 |
| 2002-09 | 340.00 |
| 2002-08 | 352.00 |
| 2002-07 | 311.00 |
| 2002-06 | 371.00 |
| 2002-05 | 332.00 |
| 2002-04 | 469.00 |
| 2002-03 | 503.00 |
| 2002-02 | 285.00 |
| 2002-01 | 434.00 |
| 2001-12 | 256.00 |
| 2001-11 | 207.00 |
| 2001-10 | 241.00 |
| 2001-09 | 237.00 |
| 2001-08 | 195.00 |
| 2001-07 | 279.00 |
| 2001-06 | 417.00 |
| 2001-05 | 364.00 |
| 2001-04 | 443.00 |
| 2001-03 | 689.00 |
| 2001-02 | 441.00 |
| 2001-01 | 306.00 |
| 2000-12 | 315.00 |
| 2000-11 | 242.00 |
| 2000-10 | 238.00 |
| 2000-09 | 236.00 |
| 2000-08 | 477.00 |
| 2000-07 | 568.00 |
| 2000-06 | 429.00 |
| 2000-05 | 533.00 |
| 2000-04 | 576.00 |
| 2000-03 | 714.00 |
| 2000-02 | 419.00 |
| 2000-01 | 243.00 |
| 1999-12 | 303.00 |
| 1999-11 | 373.00 |
| 1999-10 | 652.00 |
| 1999-09 | 791.00 |
| 1999-08 | 526.00 |
| 1999-07 | 550.00 |
| 1999-06 | 382.00 |
| 1999-05 | 343.00 |
| 1999-04 | 263.00 |
| 1999-03 | 330.00 |
| 1999-02 | 432.00 |
| 1999-01 | 246.00 |
| 1998-12 | 329.00 |
| 1998-11 | 178.00 |
| 1998-10 | 137.00 |
| 1998-09 | 205.00 |
| 1998-08 | 265.00 |
| 1998-07 | 228.00 |
| 1998-06 | 177.00 |
| 1998-05 | 191.00 |
| 1998-04 | 244.00 |
| 1998-03 | 422.00 |
| 1998-02 | 271.00 |
| 1998-01 | 165.00 |
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