| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 2016 | 100 | 千吨 | 2026-9 |
| 2015 | 97 | 千吨 | 2026-9 |
| 2014 | 119 | 千吨 | 2026-9 |
| 2013 | 116 | 千吨 | 2026-9 |
| 2012 | 119 | 千吨 | 2026-9 |
| 2011 | 94 | 千吨 | 2026-9 |
| 2010 | 80 | 千吨 | 2026-9 |
| 2009 | 74 | 千吨 | 2026-9 |
| 2008 | 93 | 千吨 | 2026-9 |
| 2007 | 93 | 千吨 | 2026-9 |
| 2006 | 56 | 千吨 | 2026-9 |
| 2005 | 82 | 千吨 | 2026-9 |
| 2004 | 99 | 千吨 | 2026-9 |
| 2003 | 64 | 千吨 | 2026-9 |
| 2002 | 39 | 千吨 | 2026-9 |
| 2001 | 27 | 千吨 | 2026-9 |
| 2000 | 23 | 千吨 | 2026-9 |
| 1999 | 24 | 千吨 | 2026-9 |
| 1998 | 27 | 千吨 | 2026-9 |
| 1997 | 21 | 千吨 | 2026-9 |
| 1996 | 40 | 千吨 | 2026-9 |
| 1995 | 38 | 千吨 | 2026-9 |
| 1994 | 30 | 千吨 | 2026-9 |
| 1993 | 29 | 千吨 | 2026-9 |
| 1992 | 39 | 千吨 | 2026-9 |
| 1991 | 42 | 千吨 | 2026-9 |
| 1990 | 45 | 千吨 | 2026-9 |
| 1989 | 46 | 千吨 | 2026-9 |