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 | 4106.00 | 
| 7 | 2011 | 4457.00 | 
| 8 | 2010 | 6970.00 | 
| 9 | 2009 | 6950.00 | 
| 10 | 2008 | 6874.00 | 
| 11 | 2007 | 6874.00 | 
| 12 | 2006 | 6764.00 | 
| 13 | 2005 | 5950.00 | 
| 14 | 2003 | 4300.00 | 
| 15 | 2002 | 4208.00 | 
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