| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 10 | 千吨 | 2026-9 |
| 2025 | 14 | 千吨 | 2026-9 |
| 2024 | 21 | 千吨 | 2026-9 |
| 2023 | 9 | 千吨 | 2026-9 |
| 2022 | 15 | 千吨 | 2026-9 |
| 2021 | 22 | 千吨 | 2026-9 |
| 2020 | 16 | 千吨 | 2026-9 |
| 2019 | 18 | 千吨 | 2026-9 |
| 2018 | 17 | 千吨 | 2026-9 |
| 2017 | 16 | 千吨 | 2026-9 |
| 2016 | 30 | 千吨 | 2026-9 |
| 2015 | 35 | 千吨 | 2026-9 |
| 2014 | 44 | 千吨 | 2026-9 |
| 2013 | 50 | 千吨 | 2026-9 |
| 2012 | 54 | 千吨 | 2026-9 |
| 2011 | 42 | 千吨 | 2026-9 |
| 2010 | 58 | 千吨 | 2026-9 |
| 2009 | 87 | 千吨 | 2026-9 |
| 2008 | 58 | 千吨 | 2026-9 |
| 2007 | 80 | 千吨 | 2026-9 |
| 2006 | 82 | 千吨 | 2026-9 |
| 2005 | 70 | 千吨 | 2026-9 |
| 2004 | 75 | 千吨 | 2026-9 |
| 2003 | 110 | 千吨 | 2026-9 |
| 2002 | 125 | 千吨 | 2026-9 |
| 2001 | 123 | 千吨 | 2026-9 |
| 2000 | 139 | 千吨 | 2026-9 |
| 1999 | 117 | 千吨 | 2026-9 |
| 1998 | 105 | 千吨 | 2026-9 |
| 1997 | 111 | 千吨 | 2026-9 |
| 1996 | 75 | 千吨 | 2026-9 |
| 1995 | 85 | 千吨 | 2026-9 |
| 1994 | 94 | 千吨 | 2026-9 |
| 1993 | 78 | 千吨 | 2026-9 |
| 1992 | 59 | 千吨 | 2026-9 |
| 1991 | 56 | 千吨 | 2026-9 |
| 1990 | 51 | 千吨 | 2026-9 |
| 1989 | 52 | 千吨 | 2026-9 |
| 1988 | 52 | 千吨 | 2026-9 |
| 1987 | 35 | 千吨 | 2026-9 |
| 1986 | 49 | 千吨 | 2026-9 |
| 1985 | 47 | 千吨 | 2026-9 |
| 1984 | 44 | 千吨 | 2026-9 |
| 1983 | 17 | 千吨 | 2026-9 |
| 1982 | 7 | 千吨 | 2026-9 |
| 1981 | 16 | 千吨 | 2026-9 |
| 1980 | 24 | 千吨 | 2026-9 |
| 1979 | 38 | 千吨 | 2026-9 |
| 1978 | 35 | 千吨 | 2026-9 |
| 1977 | 34 | 千吨 | 2026-9 |
| 1976 | 76 | 千吨 | 2026-9 |
| 1975 | 35 | 千吨 | 2026-9 |
| 1974 | 60 | 千吨 | 2026-9 |
| 1973 | 79 | 千吨 | 2026-9 |
| 1972 | 62 | 千吨 | 2026-9 |
| 1971 | 93 | 千吨 | 2026-9 |
| 1970 | 103 | 千吨 | 2026-9 |
| 1969 | 77 | 千吨 | 2026-9 |
| 1968 | 81 | 千吨 | 2026-9 |
| 1967 | 107 | 千吨 | 2026-9 |
| 1966 | 85 | 千吨 | 2026-9 |
| 1965 | 97 | 千吨 | 2026-9 |
| 1964 | 92 | 千吨 | 2026-9 |