| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 36.77 |
| 8 | 2012 | 39.06 |
| 9 | 2011 | 35.29 |
| 10 | 2010 | 30.49 |
| 11 | 2009 | 26.82 |
| 12 | 2008 | 29.55 |
| 13 | 2007 | 20.18 |
| 14 | 2006 | 11.28 |
| 15 | 2005 | 5.24 |
| 16 | 2004 | 5.88 |
| 17 | 2003 | 5.24 |
| 18 | 2001 | 9.99 |
| 19 | 2000 | 9.39 |
| 20 | 1999 | 11.08 |
| 21 | 1998 | 6.30 |
| 22 | 1997 | 6.02 |
| 23 | 1996 | 5.33 |
| 24 | 1995 | 4.19 |
| 25 | 1990 | 0.51 |
