| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 30 | 千吨 | 2026-9 |
| 2025 | 32 | 千吨 | 2026-9 |
| 2024 | 39 | 千吨 | 2026-9 |
| 2023 | 32 | 千吨 | 2026-9 |
| 2022 | 45 | 千吨 | 2026-9 |
| 2021 | 45 | 千吨 | 2026-9 |
| 2020 | 44 | 千吨 | 2026-9 |
| 2019 | 44 | 千吨 | 2026-9 |
| 2018 | 46 | 千吨 | 2026-9 |
| 2017 | 50 | 千吨 | 2026-9 |
| 2016 | 53 | 千吨 | 2026-9 |
| 2015 | 54 | 千吨 | 2026-9 |
| 2014 | 59 | 千吨 | 2026-9 |
| 2013 | 56 | 千吨 | 2026-9 |
| 2012 | 59 | 千吨 | 2026-9 |
| 2011 | 65 | 千吨 | 2026-9 |
| 2010 | 72 | 千吨 | 2026-9 |
| 2009 | 76 | 千吨 | 2026-9 |
| 2008 | 82 | 千吨 | 2026-9 |
| 2007 | 84 | 千吨 | 2026-9 |
| 2006 | 81 | 千吨 | 2026-9 |
| 2005 | 81 | 千吨 | 2026-9 |
| 2004 | 82 | 千吨 | 2026-9 |
| 2003 | 86 | 千吨 | 2026-9 |
| 2002 | 90 | 千吨 | 2026-9 |
| 2001 | 93 | 千吨 | 2026-9 |
| 2000 | 105 | 千吨 | 2026-9 |
| 1999 | 100 | 千吨 | 2026-9 |
| 1998 | 106 | 千吨 | 2026-9 |
| 1997 | 112 | 千吨 | 2026-9 |
| 1996 | 118 | 千吨 | 2026-9 |
| 1995 | 133 | 千吨 | 2026-9 |
| 1994 | 152 | 千吨 | 2026-9 |
| 1993 | 122 | 千吨 | 2026-9 |
| 1992 | 116 | 千吨 | 2026-9 |
| 1991 | 124 | 千吨 | 2026-9 |
| 1990 | 128 | 千吨 | 2026-9 |
| 1989 | 123 | 千吨 | 2026-9 |
| 1988 | 128 | 千吨 | 2026-9 |
| 1987 | 189 | 千吨 | 2026-9 |
| 1986 | 163 | 千吨 | 2026-9 |
| 1985 | 109 | 千吨 | 2026-9 |
| 1984 | 110 | 千吨 | 2026-9 |
| 1983 | 110 | 千吨 | 2026-9 |
| 1982 | 146 | 千吨 | 2026-9 |
| 1981 | 187 | 千吨 | 2026-9 |
| 1980 | 233 | 千吨 | 2026-9 |
| 1979 | 137 | 千吨 | 2026-9 |
| 1978 | 124 | 千吨 | 2026-9 |
| 1977 | 120 | 千吨 | 2026-9 |
| 1976 | 118 | 千吨 | 2026-9 |
| 1975 | 118 | 千吨 | 2026-9 |
| 1974 | 128 | 千吨 | 2026-9 |
| 1973 | 134 | 千吨 | 2026-9 |
| 1972 | 147 | 千吨 | 2026-9 |
| 1971 | 159 | 千吨 | 2026-9 |
| 1970 | 176 | 千吨 | 2026-9 |
| 1969 | 191 | 千吨 | 2026-9 |
| 1968 | 188 | 千吨 | 2026-9 |
| 1967 | 181 | 千吨 | 2026-9 |
| 1966 | 186 | 千吨 | 2026-9 |
| 1965 | 190 | 千吨 | 2026-9 |
| 1964 | 195 | 千吨 | 2026-9 |