| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 25.50 |
| 8 | 2016 | 23.60 |
| 9 | 2015 | 23.60 |
| 10 | 2014 | 23.40 |
| 11 | 2013 | 45.51 |
| 12 | 2012 | 39.68 |
| 13 | 2011 | 33.79 |
| 14 | 2010 | 28.59 |
| 15 | 2009 | 26.30 |
| 16 | 2008 | 19.90 |
| 17 | 2005 | 14.33 |
| 18 | 2000 | 11.23 |
| 19 | 1995 | 11.56 |
| 20 | 1990 | 9.95 |
| 21 | 1985 | 9.23 |
| 22 | 1980 | 3.31 |
| 23 | 1978 | 3.21 |
| 24 | 1970 | 1.61 |
| 25 | 1952 | 0.23 |
