| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 791 | 千吨 | 2026-9 |
| 2015 | 790 | 千吨 | 2026-9 |
| 2014 | 722 | 千吨 | 2026-9 |
| 2013 | 682 | 千吨 | 2026-9 |
| 2012 | 616 | 千吨 | 2026-9 |
| 2011 | 578 | 千吨 | 2026-9 |
| 2010 | 549 | 千吨 | 2026-9 |
| 2009 | 492 | 千吨 | 2026-9 |
| 2008 | 433 | 千吨 | 2026-9 |
| 2007 | 380 | 千吨 | 2026-9 |
| 2006 | 419 | 千吨 | 2026-9 |
| 2005 | 364 | 千吨 | 2026-9 |
| 2004 | 316 | 千吨 | 2026-9 |
| 2003 | 329 | 千吨 | 2026-9 |
| 2002 | 254 | 千吨 | 2026-9 |
| 2001 | 235 | 千吨 | 2026-9 |
| 2000 | 219 | 千吨 | 2026-9 |
| 1999 | 188 | 千吨 | 2026-9 |
| 1998 | 181 | 千吨 | 2026-9 |
| 1997 | 160 | 千吨 | 2026-9 |
| 1996 | 138 | 千吨 | 2026-9 |
| 1995 | 81 | 千吨 | 2026-9 |
| 1994 | 102 | 千吨 | 2026-9 |
| 1993 | 87 | 千吨 | 2026-9 |
| 1992 | 74 | 千吨 | 2026-9 |
| 1991 | 60 | 千吨 | 2026-9 |
| 1990 | 39 | 千吨 | 2026-9 |
| 1989 | 45 | 千吨 | 2026-9 |
| 1988 | 50 | 千吨 | 2026-9 |
| 1987 | 14 | 千吨 | 2026-9 |
| 1986 | 14 | 千吨 | 2026-9 |
| 1985 | 12 | 千吨 | 2026-9 |
| 1984 | 9 | 千吨 | 2026-9 |
| 1983 | 5 | 千吨 | 2026-9 |
| 1982 | 12 | 千吨 | 2026-9 |
| 1981 | 20 | 千吨 | 2026-9 |
| 1980 | 12 | 千吨 | 2026-9 |
| 1979 | 10 | 千吨 | 2026-9 |
| 1978 | 6 | 千吨 | 2026-9 |
| 1977 | 5 | 千吨 | 2026-9 |
| 1976 | 5 | 千吨 | 2026-9 |
| 1975 | 4 | 千吨 | 2026-9 |
| 1974 | 2 | 千吨 | 2026-9 |
| 1973 | 2 | 千吨 | 2026-9 |