单位:万吨
                时间范围:2002 - 2017
                            | 序号 | 时间(年) | 数据(万吨) | 
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | 2146.00 | 
| 7 | 2011 | 1966.00 | 
| 8 | 2010 | 1644.00 | 
| 9 | 2009 | 1896.00 | 
| 10 | 2008 | 1806.00 | 
| 11 | 2007 | 2198.00 | 
| 12 | 2006 | 2596.00 | 
| 13 | 2005 | 1946.00 | 
| 14 | 2003 | 6637.00 | 
| 15 | 2002 | 6531.00 | 
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