| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 32.82 |
| 8 | 2012 | 34.11 |
| 9 | 2011 | 37.81 |
| 10 | 2010 | 39.96 |
| 11 | 2009 | 38.44 |
| 12 | 2008 | 39.84 |
| 13 | 2007 | 39.92 |
| 14 | 2006 | 40.09 |
| 15 | 2005 | 53.13 |
| 16 | 2004 | 38.45 |
| 17 | 2003 | 28.95 |
| 18 | 2002 | 32.03 |
| 19 | 2001 | 41.53 |
| 20 | 2000 | 50.96 |
| 21 | 1999 | 64.67 |
| 22 | 1998 | 79.16 |
| 23 | 1997 | 63.27 |
| 24 | 1996 | 84.45 |
| 25 | 1995 | 75.76 |
| 26 | 1990 | 101.07 |
