| 序号 | 时间 (年) |
数据 (万吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 11.65 |
| 12 | 2014 | 12.00 |
| 13 | 2013 | 11.00 |
| 14 | 2012 | 9.69 |
| 15 | 2011 | 8.76 |
| 16 | 2010 | 7.94 |
| 17 | 2009 | 6.44 |
| 18 | 2008 | 6.02 |
| 19 | 2007 | 5.65 |
| 20 | 2006 | 6.20 |
| 21 | 2005 | 7.41 |
| 22 | 2004 | 7.05 |
| 23 | 2003 | 6.39 |
| 24 | 2002 | 6.41 |
| 25 | 2001 | 5.63 |
| 26 | 1991 | 0.82 |
| 27 | 1990 | 0.67 |
| 28 | 1989 | 0.67 |
| 29 | 1987 | 0.50 |
| 30 | 1986 | 0.29 |
| 31 | 1985 | 0.21 |
