| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 22.00 |
| 8 | 2018 | 14.00 |
| 9 | 2017 | 16.00 |
| 10 | 2016 | 14.00 |
| 11 | 2015 | 29.00 |
| 12 | 2014 | 14.00 |
| 13 | 2013 | 28.00 |
| 14 | 2012 | 36.00 |
| 15 | 2011 | 41.00 |
| 16 | 2010 | 40.00 |
| 17 | 2009 | 45.00 |
| 18 | 2008 | 22.00 |
| 19 | 2007 | 44.00 |
| 20 | 2006 | 52.00 |
| 21 | 2005 | 34.00 |
| 22 | 2004 | 37.00 |
| 23 | 2003 | 42.00 |
| 24 | 1984 | 90.00 |
| 25 | 1983 | 93.00 |
| 26 | 1982 | 48.00 |
| 27 | 1981 | 378.00 |
| 28 | 1980 | 730.00 |
| 29 | 1979 | 1326.00 |
| 30 | 1978 | 1104.00 |
| 31 | 1977 | 881.00 |
| 32 | 1976 | 1268.00 |
| 33 | 1975 | 1305.00 |
| 34 | 1974 | 1099.00 |
| 35 | 1973 | 1183.00 |
| 36 | 1972 | 1130.00 |
| 37 | 1971 | 993.00 |
| 38 | 1970 | 988.00 |
| 39 | 1969 | 797.00 |
| 40 | 1968 | 754.00 |
| 41 | 1967 | 569.00 |
| 42 | 1966 | 470.00 |
| 43 | 1965 | 381.00 |
| 44 | 1964 | 109.00 |
| 45 | 1963 | 283.00 |
| 46 | 1962 | 162.00 |
| 47 | 1961 | 41.00 |
| 48 | 1960 | 84.00 |
