| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 310 | 千吨 | 2026-9 |
| 2025 | 339 | 千吨 | 2026-9 |
| 2024 | 238 | 千吨 | 2026-9 |
| 2023 | 203 | 千吨 | 2026-9 |
| 2022 | 166 | 千吨 | 2026-9 |
| 2021 | 172 | 千吨 | 2026-9 |
| 2020 | 162 | 千吨 | 2026-9 |
| 2019 | 189 | 千吨 | 2026-9 |
| 2018 | 194 | 千吨 | 2026-9 |
| 2017 | 188 | 千吨 | 2026-9 |
| 2016 | 181 | 千吨 | 2026-9 |
| 2015 | 169 | 千吨 | 2026-9 |
| 2014 | 199 | 千吨 | 2026-9 |
| 2013 | 225 | 千吨 | 2026-9 |
| 2012 | 209 | 千吨 | 2026-9 |
| 2011 | 257 | 千吨 | 2026-9 |
| 2010 | 287 | 千吨 | 2026-9 |
| 2009 | 312 | 千吨 | 2026-9 |
| 2008 | 394 | 千吨 | 2026-9 |
| 2007 | 390 | 千吨 | 2026-9 |
| 2006 | 372 | 千吨 | 2026-9 |
| 2005 | 326 | 千吨 | 2026-9 |
| 2004 | 296 | 千吨 | 2026-9 |
| 2003 | 381 | 千吨 | 2026-9 |
| 2002 | 503 | 千吨 | 2026-9 |
| 2001 | 438 | 千吨 | 2026-9 |
| 2000 | 433 | 千吨 | 2026-9 |
| 1999 | 369 | 千吨 | 2026-9 |
| 1998 | 316 | 千吨 | 2026-9 |
| 1997 | 209 | 千吨 | 2026-9 |
| 1996 | 105 | 千吨 | 2026-9 |
| 1995 | 58 | 千吨 | 2026-9 |
| 1994 | 166 | 千吨 | 2026-9 |
| 1993 | 135 | 千吨 | 2026-9 |
| 1992 | 130 | 千吨 | 2026-9 |
| 1991 | 120 | 千吨 | 2026-9 |
| 1990 | 60 | 千吨 | 2026-9 |
| 1989 | 40 | 千吨 | 2026-9 |
| 1988 | 15 | 千吨 | 2026-9 |
| 1987 | 4 | 千吨 | 2026-9 |
| 1986 | 1 | 千吨 | 2026-9 |
| 1985 | 7 | 千吨 | 2026-9 |
| 1984 | 0 | 千吨 | 2026-9 |
| 1983 | 12 | 千吨 | 2026-9 |
| 1982 | 18 | 千吨 | 2026-9 |
| 1981 | 9 | 千吨 | 2026-9 |
| 1980 | 1 | 千吨 | 2026-9 |
| 1979 | 2 | 千吨 | 2026-9 |
| 1978 | 1 | 千吨 | 2026-9 |
| 1977 | 1 | 千吨 | 2026-9 |
| 1976 | 1 | 千吨 | 2026-9 |
| 1975 | 1 | 千吨 | 2026-9 |
| 1974 | 0 | 千吨 | 2026-9 |
| 1973 | 1 | 千吨 | 2026-9 |
| 1972 | 1 | 千吨 | 2026-9 |
| 1971 | 1 | 千吨 | 2026-9 |
| 1970 | 1 | 千吨 | 2026-9 |
| 1969 | 1 | 千吨 | 2026-9 |
| 1968 | 0 | 千吨 | 2026-9 |
| 1967 | 1 | 千吨 | 2026-9 |
| 1966 | 0 | 千吨 | 2026-9 |
| 1965 | 0 | 千吨 | 2026-9 |
| 1964 | 0 | 千吨 | 2026-9 |
| 1963 | 0 | 千吨 | 2026-9 |
| 1962 | 0 | 千吨 | 2026-9 |
| 1961 | 0 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |