| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 352 | 千吨 | 2026-9 |
| 2015 | 320 | 千吨 | 2026-9 |
| 2014 | 309 | 千吨 | 2026-9 |
| 2013 | 285 | 千吨 | 2026-9 |
| 2012 | 313 | 千吨 | 2026-9 |
| 2011 | 422 | 千吨 | 2026-9 |
| 2010 | 308 | 千吨 | 2026-9 |
| 2009 | 265 | 千吨 | 2026-9 |
| 2008 | 254 | 千吨 | 2026-9 |
| 2007 | 252 | 千吨 | 2026-9 |
| 2006 | 280 | 千吨 | 2026-9 |
| 2005 | 276 | 千吨 | 2026-9 |
| 2004 | 273 | 千吨 | 2026-9 |
| 2003 | 212 | 千吨 | 2026-9 |
| 2002 | 225 | 千吨 | 2026-9 |
| 2001 | 242 | 千吨 | 2026-9 |
| 2000 | 233 | 千吨 | 2026-9 |
| 1999 | 338 | 千吨 | 2026-9 |
| 1998 | 241 | 千吨 | 2026-9 |
| 1997 | 235 | 千吨 | 2026-9 |
| 1996 | 300 | 千吨 | 2026-9 |
| 1995 | 246 | 千吨 | 2026-9 |
| 1994 | 570 | 千吨 | 2026-9 |
| 1993 | 448 | 千吨 | 2026-9 |
| 1992 | 372 | 千吨 | 2026-9 |
| 1991 | 271 | 千吨 | 2026-9 |
| 1990 | 234 | 千吨 | 2026-9 |
| 1989 | 199 | 千吨 | 2026-9 |
| 1988 | 155 | 千吨 | 2026-9 |
| 1987 | 156 | 千吨 | 2026-9 |
| 1986 | 129 | 千吨 | 2026-9 |
| 1985 | 118 | 千吨 | 2026-9 |
| 1984 | 90 | 千吨 | 2026-9 |
| 1983 | 84 | 千吨 | 2026-9 |
| 1982 | 91 | 千吨 | 2026-9 |
| 1981 | 86 | 千吨 | 2026-9 |
| 1980 | 93 | 千吨 | 2026-9 |
| 1979 | 88 | 千吨 | 2026-9 |
| 1978 | 84 | 千吨 | 2026-9 |
| 1977 | 74 | 千吨 | 2026-9 |
| 1976 | 66 | 千吨 | 2026-9 |
| 1975 | 42 | 千吨 | 2026-9 |
| 1974 | 46 | 千吨 | 2026-9 |
| 1973 | 43 | 千吨 | 2026-9 |
| 1972 | 42 | 千吨 | 2026-9 |
| 1971 | 41 | 千吨 | 2026-9 |
| 1970 | 34 | 千吨 | 2026-9 |
| 1969 | 29 | 千吨 | 2026-9 |