| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 28.00 |
| 8 | 2018 | 30.00 |
| 9 | 2017 | 25.00 |
| 10 | 2016 | 20.00 |
| 11 | 2015 | 17.00 |
| 12 | 2014 | 18.00 |
| 13 | 2013 | 17.00 |
| 14 | 2012 | 17.00 |
| 15 | 2011 | 17.00 |
| 16 | 2010 | 14.00 |
| 17 | 2009 | 12.00 |
| 18 | 2008 | 10.00 |
| 19 | 2007 | 7.00 |
| 20 | 2006 | 8.00 |
| 21 | 2005 | 15.00 |
| 22 | 1969 | 8.00 |
| 23 | 1968 | 26.00 |
| 24 | 1967 | 47.00 |
| 25 | 1966 | 20.00 |
| 26 | 1965 | 35.00 |
| 27 | 1964 | 6.00 |
