| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 64.13 |
| 8 | 2012 | 66.80 |
| 9 | 2011 | 45.80 |
| 10 | 2010 | 38.28 |
| 11 | 2009 | 39.10 |
| 12 | 2008 | 40.00 |
| 13 | 2007 | 44.00 |
| 14 | 2006 | 49.00 |
| 15 | 2005 | 43.80 |
