| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 72.13 |
| 8 | 2012 | 65.05 |
| 9 | 2011 | 60.50 |
| 10 | 2010 | 52.63 |
| 11 | 2009 | 47.62 |
| 12 | 2008 | 38.85 |
| 13 | 2007 | 46.60 |
| 14 | 2006 | 33.24 |
| 15 | 2005 | 39.48 |
| 16 | 2004 | 34.21 |
| 17 | 2003 | 19.79 |
| 18 | 2001 | 31.37 |
| 19 | 2000 | 30.93 |
| 20 | 1999 | 29.34 |
| 21 | 1998 | 28.69 |
| 22 | 1997 | 27.22 |
| 23 | 1996 | 24.35 |
| 24 | 1995 | 20.88 |
| 25 | 1990 | 11.98 |
