| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 1479 | 千吨 | 2026-9 |
| 2015 | 1424 | 千吨 | 2026-9 |
| 2014 | 1359 | 千吨 | 2026-9 |
| 2013 | 1276 | 千吨 | 2026-9 |
| 2012 | 1112 | 千吨 | 2026-9 |
| 2011 | 1075 | 千吨 | 2026-9 |
| 2010 | 1067 | 千吨 | 2026-9 |
| 2009 | 1020 | 千吨 | 2026-9 |
| 2008 | 1011 | 千吨 | 2026-9 |
| 2007 | 925 | 千吨 | 2026-9 |
| 2006 | 850 | 千吨 | 2026-9 |
| 2005 | 763 | 千吨 | 2026-9 |
| 2004 | 709 | 千吨 | 2026-9 |
| 2003 | 678 | 千吨 | 2026-9 |
| 2002 | 649 | 千吨 | 2026-9 |
| 2001 | 606 | 千吨 | 2026-9 |
| 2000 | 606 | 千吨 | 2026-9 |
| 1999 | 577 | 千吨 | 2026-9 |
| 1998 | 589 | 千吨 | 2026-9 |
| 1997 | 609 | 千吨 | 2026-9 |
| 1996 | 589 | 千吨 | 2026-9 |
| 1995 | 503 | 千吨 | 2026-9 |
| 1994 | 484 | 千吨 | 2026-9 |
| 1993 | 469 | 千吨 | 2026-9 |
| 1992 | 333 | 千吨 | 2026-9 |
| 1991 | 313 | 千吨 | 2026-9 |
| 1990 | 268 | 千吨 | 2026-9 |
| 1989 | 270 | 千吨 | 2026-9 |
| 1988 | 289 | 千吨 | 2026-9 |
| 1987 | 251 | 千吨 | 2026-9 |
| 1986 | 183 | 千吨 | 2026-9 |
| 1985 | 140 | 千吨 | 2026-9 |
| 1984 | 142 | 千吨 | 2026-9 |
| 1983 | 144 | 千吨 | 2026-9 |