| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 2016 | 233 | 千吨 | 2026-9 |
| 2015 | 224 | 千吨 | 2026-9 |
| 2014 | 186 | 千吨 | 2026-9 |
| 2013 | 182 | 千吨 | 2026-9 |
| 2012 | 196 | 千吨 | 2026-9 |
| 2011 | 134 | 千吨 | 2026-9 |
| 2010 | 178 | 千吨 | 2026-9 |
| 2009 | 176 | 千吨 | 2026-9 |
| 2008 | 176 | 千吨 | 2026-9 |
| 2007 | 126 | 千吨 | 2026-9 |
| 2006 | 115 | 千吨 | 2026-9 |
| 2005 | 113 | 千吨 | 2026-9 |
| 2004 | 119 | 千吨 | 2026-9 |
| 2003 | 89 | 千吨 | 2026-9 |
| 2002 | 92 | 千吨 | 2026-9 |
| 2001 | 53 | 千吨 | 2026-9 |
| 2000 | 38 | 千吨 | 2026-9 |
| 1999 | 38 | 千吨 | 2026-9 |
| 1998 | 28 | 千吨 | 2026-9 |
| 1997 | 16 | 千吨 | 2026-9 |
| 1983 | 24 | 千吨 | 2026-9 |
| 1982 | 20 | 千吨 | 2026-9 |
| 1981 | 22 | 千吨 | 2026-9 |
| 1980 | 20 | 千吨 | 2026-9 |
| 1979 | 15 | 千吨 | 2026-9 |
| 1978 | 10 | 千吨 | 2026-9 |
| 1977 | 6 | 千吨 | 2026-9 |
| 1976 | 10 | 千吨 | 2026-9 |
| 1975 | 14 | 千吨 | 2026-9 |