| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 2016 | 0 | 千吨 | 2026-9 |
| 2015 | 0 | 千吨 | 2026-9 |
| 2014 | 36 | 千吨 | 2026-9 |
| 2013 | 36 | 千吨 | 2026-9 |
| 2012 | 37 | 千吨 | 2026-9 |
| 2011 | 34 | 千吨 | 2026-9 |
| 2010 | 57 | 千吨 | 2026-9 |
| 2009 | 25 | 千吨 | 2026-9 |
| 2008 | 29 | 千吨 | 2026-9 |
| 2007 | 22 | 千吨 | 2026-9 |
| 2006 | 24 | 千吨 | 2026-9 |
| 2005 | 27 | 千吨 | 2026-9 |
| 2004 | 34 | 千吨 | 2026-9 |
| 2003 | 28 | 千吨 | 2026-9 |
| 2002 | 29 | 千吨 | 2026-9 |
| 2001 | 33 | 千吨 | 2026-9 |
| 2000 | 34 | 千吨 | 2026-9 |
| 1999 | 42 | 千吨 | 2026-9 |
| 1998 | 39 | 千吨 | 2026-9 |
| 1997 | 26 | 千吨 | 2026-9 |
| 1996 | 24 | 千吨 | 2026-9 |
| 1983 | 27 | 千吨 | 2026-9 |
| 1982 | 27 | 千吨 | 2026-9 |
| 1981 | 25 | 千吨 | 2026-9 |
| 1980 | 23 | 千吨 | 2026-9 |
| 1979 | 15 | 千吨 | 2026-9 |
| 1978 | 20 | 千吨 | 2026-9 |
| 1977 | 19 | 千吨 | 2026-9 |
| 1976 | 19 | 千吨 | 2026-9 |
| 1975 | 16 | 千吨 | 2026-9 |