| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 78.00 |
| 8 | 2018 | 168.00 |
| 9 | 2017 | 176.00 |
| 10 | 2016 | 125.00 |
| 11 | 2015 | 64.00 |
| 12 | 2014 | 232.00 |
| 13 | 2013 | 166.00 |
| 14 | 2012 | 266.00 |
| 15 | 2011 | 466.00 |
| 16 | 2009 | 88.00 |
| 17 | 2008 | 67.00 |
| 18 | 2006 | 54.00 |
| 19 | 1977 | 34.00 |
| 20 | 1976 | 12.00 |
| 21 | 1975 | 11.00 |
| 22 | 1974 | 26.00 |
| 23 | 1973 | 35.00 |
| 24 | 1972 | 47.00 |
| 25 | 1971 | 102.00 |
| 26 | 1970 | 46.00 |
| 27 | 1969 | 18.00 |
