| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 1.80 |
| 8 | 2015 | 4.70 |
| 9 | 2014 | 4.79 |
| 10 | 2013 | 6.11 |
| 11 | 2012 | 6.25 |
| 12 | 2011 | 7.55 |
| 13 | 2010 | 7.01 |
| 14 | 2009 | 8.26 |
| 15 | 2008 | 12.18 |
| 16 | 2007 | 20.30 |
| 17 | 2006 | 17.16 |
| 18 | 2005 | 26.68 |
| 19 | 2000 | 22.79 |
| 20 | 1995 | 27.23 |
| 21 | 1990 | 14.82 |
