| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 63.77 |
| 8 | 2012 | 53.26 |
| 9 | 2011 | 46.75 |
| 10 | 2010 | 40.41 |
| 11 | 2009 | 47.43 |
| 12 | 2008 | 49.70 |
| 13 | 2007 | 35.98 |
| 14 | 2006 | 34.61 |
| 15 | 2005 | 26.08 |
| 16 | 2004 | 14.55 |
| 17 | 2003 | 12.93 |
| 18 | 2002 | 17.47 |
| 19 | 2001 | 14.51 |
| 20 | 2000 | 18.29 |
| 21 | 1999 | 20.38 |
| 22 | 1998 | 19.79 |
| 23 | 1997 | 16.74 |
| 24 | 1996 | 15.89 |
| 25 | 1995 | 14.93 |
| 26 | 1990 | 12.15 |
