| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 37.91 |
| 8 | 2016 | 33.82 |
| 9 | 2015 | 31.90 |
| 10 | 2014 | 34.82 |
| 11 | 2013 | 31.01 |
| 12 | 2012 | 26.09 |
| 13 | 2011 | 24.23 |
| 14 | 2010 | 22.81 |
| 15 | 2009 | 20.67 |
| 16 | 2008 | 15.04 |
| 17 | 2007 | 14.33 |
| 18 | 2006 | 13.13 |
| 19 | 2005 | 12.47 |
| 20 | 2000 | 8.66 |
| 21 | 1995 | 8.42 |
| 22 | 1990 | 7.73 |
| 23 | 1985 | 1.66 |
