| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 50 | 千吨 | 2026-9 |
| 2025 | 46 | 千吨 | 2026-9 |
| 2024 | 48 | 千吨 | 2026-9 |
| 2023 | 46 | 千吨 | 2026-9 |
| 2022 | 35 | 千吨 | 2026-9 |
| 2021 | 38 | 千吨 | 2026-9 |
| 2020 | 34 | 千吨 | 2026-9 |
| 2019 | 33 | 千吨 | 2026-9 |
| 2018 | 41 | 千吨 | 2026-9 |
| 2017 | 38 | 千吨 | 2026-9 |
| 2016 | 33 | 千吨 | 2026-9 |
| 2015 | 32 | 千吨 | 2026-9 |
| 2014 | 33 | 千吨 | 2026-9 |
| 2013 | 33 | 千吨 | 2026-9 |
| 2012 | 33 | 千吨 | 2026-9 |
| 2011 | 38 | 千吨 | 2026-9 |
| 2010 | 37 | 千吨 | 2026-9 |
| 2009 | 35 | 千吨 | 2026-9 |
| 2008 | 42 | 千吨 | 2026-9 |
| 2007 | 47 | 千吨 | 2026-9 |
| 2006 | 52 | 千吨 | 2026-9 |
| 2005 | 49 | 千吨 | 2026-9 |
| 2004 | 62 | 千吨 | 2026-9 |
| 2003 | 77 | 千吨 | 2026-9 |
| 2002 | 81 | 千吨 | 2026-9 |
| 2001 | 70 | 千吨 | 2026-9 |
| 2000 | 52 | 千吨 | 2026-9 |
| 1999 | 40 | 千吨 | 2026-9 |
| 1998 | 18 | 千吨 | 2026-9 |
| 1997 | 12 | 千吨 | 2026-9 |
| 1996 | 8 | 千吨 | 2026-9 |
| 1995 | 6 | 千吨 | 2026-9 |
| 1994 | 7 | 千吨 | 2026-9 |
| 1993 | 8 | 千吨 | 2026-9 |
| 1992 | 6 | 千吨 | 2026-9 |
| 1991 | 5 | 千吨 | 2026-9 |
| 1990 | 7 | 千吨 | 2026-9 |
| 1989 | 7 | 千吨 | 2026-9 |
| 1988 | 10 | 千吨 | 2026-9 |
| 1987 | 7 | 千吨 | 2026-9 |
| 1986 | 3 | 千吨 | 2026-9 |
| 1985 | 2 | 千吨 | 2026-9 |
| 1984 | 2 | 千吨 | 2026-9 |
| 1983 | 5 | 千吨 | 2026-9 |
| 1982 | 3 | 千吨 | 2026-9 |
| 1981 | 4 | 千吨 | 2026-9 |
| 1980 | 5 | 千吨 | 2026-9 |
| 1979 | 6 | 千吨 | 2026-9 |
| 1978 | 5 | 千吨 | 2026-9 |
| 1977 | 5 | 千吨 | 2026-9 |
| 1976 | 8 | 千吨 | 2026-9 |
| 1975 | 7 | 千吨 | 2026-9 |
| 1974 | 5 | 千吨 | 2026-9 |
| 1973 | 22 | 千吨 | 2026-9 |
| 1972 | 17 | 千吨 | 2026-9 |
| 1971 | 5 | 千吨 | 2026-9 |
| 1970 | 5 | 千吨 | 2026-9 |
| 1969 | 6 | 千吨 | 2026-9 |
| 1968 | 2 | 千吨 | 2026-9 |
| 1967 | 2 | 千吨 | 2026-9 |
| 1966 | 2 | 千吨 | 2026-9 |
| 1965 | 2 | 千吨 | 2026-9 |
| 1964 | 1 | 千吨 | 2026-9 |
| 1963 | 1 | 千吨 | 2026-9 |
| 1962 | 2 | 千吨 | 2026-9 |
| 1961 | 2 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |