| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2023 | 180 | 千吨 | 2026-9 |
| 2022 | 181 | 千吨 | 2026-9 |
| 2021 | 197 | 千吨 | 2026-9 |
| 2020 | 195 | 千吨 | 2026-9 |
| 2019 | 177 | 千吨 | 2026-9 |
| 2018 | 179 | 千吨 | 2026-9 |
| 2017 | 166 | 千吨 | 2026-9 |
| 2016 | 178 | 千吨 | 2026-9 |
| 2015 | 154 | 千吨 | 2026-9 |
| 2014 | 139 | 千吨 | 2026-9 |
| 2013 | 164 | 千吨 | 2026-9 |
| 2012 | 116 | 千吨 | 2026-9 |
| 2011 | 110 | 千吨 | 2026-9 |
| 2010 | 134 | 千吨 | 2026-9 |
| 2009 | 116 | 千吨 | 2026-9 |
| 2008 | 68 | 千吨 | 2026-9 |
| 2007 | 64 | 千吨 | 2026-9 |
| 2006 | 70 | 千吨 | 2026-9 |
| 2005 | 57 | 千吨 | 2026-9 |
| 2004 | 72 | 千吨 | 2026-9 |
| 2003 | 57 | 千吨 | 2026-9 |
| 2002 | 43 | 千吨 | 2026-9 |
| 2001 | 32 | 千吨 | 2026-9 |
| 2000 | 17 | 千吨 | 2026-9 |
| 1999 | 15 | 千吨 | 2026-9 |
| 1998 | 14 | 千吨 | 2026-9 |
| 1997 | 20 | 千吨 | 2026-9 |
| 1996 | 45 | 千吨 | 2026-9 |
| 1995 | 85 | 千吨 | 2026-9 |
| 1994 | 165 | 千吨 | 2026-9 |
| 1993 | 205 | 千吨 | 2026-9 |
| 1992 | 263 | 千吨 | 2026-9 |
| 1991 | 263 | 千吨 | 2026-9 |
| 1990 | 329 | 千吨 | 2026-9 |
| 1989 | 357 | 千吨 | 2026-9 |
| 1988 | 362 | 千吨 | 2026-9 |