| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 846 | 千吨 | 2026-9 |
| 2015 | 793 | 千吨 | 2026-9 |
| 2014 | 837 | 千吨 | 2026-9 |
| 2013 | 813 | 千吨 | 2026-9 |
| 2012 | 756 | 千吨 | 2026-9 |
| 2011 | 731 | 千吨 | 2026-9 |
| 2010 | 611 | 千吨 | 2026-9 |
| 2009 | 464 | 千吨 | 2026-9 |
| 2008 | 322 | 千吨 | 2026-9 |
| 2007 | 281 | 千吨 | 2026-9 |
| 2006 | 174 | 千吨 | 2026-9 |
| 2005 | 214 | 千吨 | 2026-9 |
| 2004 | 226 | 千吨 | 2026-9 |
| 2003 | 168 | 千吨 | 2026-9 |
| 2002 | 151 | 千吨 | 2026-9 |
| 2001 | 98 | 千吨 | 2026-9 |
| 2000 | 95 | 千吨 | 2026-9 |
| 1999 | 61 | 千吨 | 2026-9 |
| 1998 | 36 | 千吨 | 2026-9 |
| 1997 | 38 | 千吨 | 2026-9 |
| 1996 | 29 | 千吨 | 2026-9 |
| 1995 | 37 | 千吨 | 2026-9 |
| 1994 | 34 | 千吨 | 2026-9 |
| 1993 | 27 | 千吨 | 2026-9 |
| 1992 | 29 | 千吨 | 2026-9 |
| 1991 | 14 | 千吨 | 2026-9 |
| 1990 | 197 | 千吨 | 2026-9 |
| 1989 | 283 | 千吨 | 2026-9 |
| 1988 | 260 | 千吨 | 2026-9 |
| 1987 | 298 | 千吨 | 2026-9 |
| 1986 | 229 | 千吨 | 2026-9 |
| 1985 | 239 | 千吨 | 2026-9 |
| 1984 | 235 | 千吨 | 2026-9 |
| 1983 | 218 | 千吨 | 2026-9 |
| 1982 | 286 | 千吨 | 2026-9 |
| 1981 | 224 | 千吨 | 2026-9 |
| 1980 | 123 | 千吨 | 2026-9 |
| 1979 | 73 | 千吨 | 2026-9 |
| 1978 | 61 | 千吨 | 2026-9 |
| 1977 | 49 | 千吨 | 2026-9 |
| 1976 | 60 | 千吨 | 2026-9 |
| 1975 | 38 | 千吨 | 2026-9 |