| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2015 | 148 | 千吨 | 2026-9 |
| 2014 | 105 | 千吨 | 2026-9 |
| 2013 | 143 | 千吨 | 2026-9 |
| 2012 | 162 | 千吨 | 2026-9 |
| 2011 | 223 | 千吨 | 2026-9 |
| 2010 | 294 | 千吨 | 2026-9 |
| 2009 | 132 | 千吨 | 2026-9 |
| 2008 | 131 | 千吨 | 2026-9 |
| 2007 | 103 | 千吨 | 2026-9 |
| 2006 | 93 | 千吨 | 2026-9 |
| 2005 | 27 | 千吨 | 2026-9 |
| 2004 | 100 | 千吨 | 2026-9 |
| 2003 | 61 | 千吨 | 2026-9 |
| 2002 | 23 | 千吨 | 2026-9 |
| 2001 | 58 | 千吨 | 2026-9 |
| 2000 | 24 | 千吨 | 2026-9 |
| 1999 | 40 | 千吨 | 2026-9 |
| 1998 | 44 | 千吨 | 2026-9 |
| 1997 | 54 | 千吨 | 2026-9 |
| 1996 | 50 | 千吨 | 2026-9 |
| 1978 | 20 | 千吨 | 2026-9 |
| 1977 | 30 | 千吨 | 2026-9 |
| 1976 | 22 | 千吨 | 2026-9 |
| 1975 | 15 | 千吨 | 2026-9 |
| 1974 | 5 | 千吨 | 2026-9 |
| 1973 | 0 | 千吨 | 2026-9 |
| 1972 | 0 | 千吨 | 2026-9 |
| 1971 | 0 | 千吨 | 2026-9 |
| 1970 | 0 | 千吨 | 2026-9 |
| 1969 | 0 | 千吨 | 2026-9 |
| 1968 | 0 | 千吨 | 2026-9 |
| 1967 | 1 | 千吨 | 2026-9 |
| 1966 | 0 | 千吨 | 2026-9 |
| 1965 | 1 | 千吨 | 2026-9 |
| 1964 | 0 | 千吨 | 2026-9 |
| 1963 | 1 | 千吨 | 2026-9 |
| 1962 | 0 | 千吨 | 2026-9 |
| 1961 | 0 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |