| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 94 | 千吨 | 2026-9 |
| 2015 | 92 | 千吨 | 2026-9 |
| 2014 | 90 | 千吨 | 2026-9 |
| 2013 | 90 | 千吨 | 2026-9 |
| 2012 | 92 | 千吨 | 2026-9 |
| 2011 | 90 | 千吨 | 2026-9 |
| 2010 | 89 | 千吨 | 2026-9 |
| 2009 | 86 | 千吨 | 2026-9 |
| 2008 | 83 | 千吨 | 2026-9 |
| 2007 | 83 | 千吨 | 2026-9 |
| 2006 | 76 | 千吨 | 2026-9 |
| 2005 | 76 | 千吨 | 2026-9 |
| 2004 | 69 | 千吨 | 2026-9 |
| 2003 | 86 | 千吨 | 2026-9 |
| 2002 | 90 | 千吨 | 2026-9 |
| 2001 | 61 | 千吨 | 2026-9 |
| 2000 | 64 | 千吨 | 2026-9 |
| 1999 | 68 | 千吨 | 2026-9 |
| 1998 | 61 | 千吨 | 2026-9 |
| 1997 | 62 | 千吨 | 2026-9 |
| 1996 | 50 | 千吨 | 2026-9 |
| 1995 | 50 | 千吨 | 2026-9 |
| 1994 | 48 | 千吨 | 2026-9 |
| 1993 | 51 | 千吨 | 2026-9 |
| 1992 | 46 | 千吨 | 2026-9 |
| 1991 | 48 | 千吨 | 2026-9 |
| 1990 | 45 | 千吨 | 2026-9 |
| 1989 | 48 | 千吨 | 2026-9 |
| 1988 | 52 | 千吨 | 2026-9 |
| 1987 | 52 | 千吨 | 2026-9 |
| 1986 | 57 | 千吨 | 2026-9 |
| 1985 | 47 | 千吨 | 2026-9 |
| 1984 | 50 | 千吨 | 2026-9 |
| 1983 | 48 | 千吨 | 2026-9 |
| 1982 | 48 | 千吨 | 2026-9 |
| 1981 | 53 | 千吨 | 2026-9 |
| 1980 | 54 | 千吨 | 2026-9 |
| 1979 | 51 | 千吨 | 2026-9 |
| 1978 | 50 | 千吨 | 2026-9 |