| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 50 | 千吨 | 2026-9 |
| 2025 | 50 | 千吨 | 2026-9 |
| 2024 | 49 | 千吨 | 2026-9 |
| 2023 | 48 | 千吨 | 2026-9 |
| 2022 | 46 | 千吨 | 2026-9 |
| 2021 | 45 | 千吨 | 2026-9 |
| 2020 | 45 | 千吨 | 2026-9 |
| 2019 | 44 | 千吨 | 2026-9 |
| 2018 | 43 | 千吨 | 2026-9 |
| 2017 | 49 | 千吨 | 2026-9 |
| 2016 | 42 | 千吨 | 2026-9 |
| 2015 | 42 | 千吨 | 2026-9 |
| 2014 | 44 | 千吨 | 2026-9 |
| 2013 | 52 | 千吨 | 2026-9 |
| 2012 | 60 | 千吨 | 2026-9 |
| 2011 | 26 | 千吨 | 2026-9 |
| 2010 | 23 | 千吨 | 2026-9 |
| 2009 | 21 | 千吨 | 2026-9 |
| 2008 | 24 | 千吨 | 2026-9 |
| 2007 | 18 | 千吨 | 2026-9 |
| 2006 | 18 | 千吨 | 2026-9 |
| 2005 | 10 | 千吨 | 2026-9 |
| 2004 | 6 | 千吨 | 2026-9 |
| 2003 | 13 | 千吨 | 2026-9 |
| 2002 | 13 | 千吨 | 2026-9 |
| 2001 | 14 | 千吨 | 2026-9 |
| 2000 | 189 | 千吨 | 2026-9 |
| 1999 | 175 | 千吨 | 2026-9 |
| 1998 | 149 | 千吨 | 2026-9 |
| 1997 | 145 | 千吨 | 2026-9 |
| 1996 | 119 | 千吨 | 2026-9 |
| 1995 | 30 | 千吨 | 2026-9 |
| 1994 | 20 | 千吨 | 2026-9 |
| 1993 | 18 | 千吨 | 2026-9 |
| 1992 | 12 | 千吨 | 2026-9 |
| 1991 | 9 | 千吨 | 2026-9 |
| 1990 | 9 | 千吨 | 2026-9 |
| 1989 | 6 | 千吨 | 2026-9 |
| 1988 | 5 | 千吨 | 2026-9 |
| 1987 | 4 | 千吨 | 2026-9 |
| 1986 | 3 | 千吨 | 2026-9 |
| 1985 | 3 | 千吨 | 2026-9 |
| 1984 | 3 | 千吨 | 2026-9 |
| 1983 | 3 | 千吨 | 2026-9 |
| 1982 | 3 | 千吨 | 2026-9 |
| 1981 | 3 | 千吨 | 2026-9 |
| 1980 | 3 | 千吨 | 2026-9 |
| 1979 | 3 | 千吨 | 2026-9 |
| 1978 | 5 | 千吨 | 2026-9 |
| 1977 | 5 | 千吨 | 2026-9 |
| 1976 | 4 | 千吨 | 2026-9 |
| 1975 | 5 | 千吨 | 2026-9 |
| 1974 | 0 | 千吨 | 2026-9 |
| 1973 | 0 | 千吨 | 2026-9 |
| 1972 | 0 | 千吨 | 2026-9 |
| 1971 | 0 | 千吨 | 2026-9 |
| 1970 | 1 | 千吨 | 2026-9 |
| 1969 | 2 | 千吨 | 2026-9 |
| 1968 | 2 | 千吨 | 2026-9 |
| 1967 | 2 | 千吨 | 2026-9 |
| 1966 | 1 | 千吨 | 2026-9 |
| 1965 | 1 | 千吨 | 2026-9 |
| 1964 | 1 | 千吨 | 2026-9 |