| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 268 | 千吨 | 2026-9 |
| 2025 | 260 | 千吨 | 2026-9 |
| 2024 | 240 | 千吨 | 2026-9 |
| 2023 | 256 | 千吨 | 2026-9 |
| 2022 | 260 | 千吨 | 2026-9 |
| 2021 | 240 | 千吨 | 2026-9 |
| 2020 | 256 | 千吨 | 2026-9 |
| 2019 | 250 | 千吨 | 2026-9 |
| 2018 | 245 | 千吨 | 2026-9 |
| 2017 | 235 | 千吨 | 2026-9 |
| 2016 | 222 | 千吨 | 2026-9 |
| 2015 | 214 | 千吨 | 2026-9 |
| 2014 | 190 | 千吨 | 2026-9 |
| 2013 | 166 | 千吨 | 2026-9 |
| 2012 | 185 | 千吨 | 2026-9 |
| 2011 | 185 | 千吨 | 2026-9 |
| 2010 | 182 | 千吨 | 2026-9 |
| 2009 | 172 | 千吨 | 2026-9 |
| 2008 | 160 | 千吨 | 2026-9 |
| 2007 | 180 | 千吨 | 2026-9 |
| 2006 | 176 | 千吨 | 2026-9 |
| 2005 | 175 | 千吨 | 2026-9 |
| 2004 | 140 | 千吨 | 2026-9 |
| 2003 | 118 | 千吨 | 2026-9 |
| 2002 | 118 | 千吨 | 2026-9 |
| 2001 | 107 | 千吨 | 2026-9 |
| 2000 | 109 | 千吨 | 2026-9 |
| 1999 | 108 | 千吨 | 2026-9 |
| 1998 | 105 | 千吨 | 2026-9 |
| 1997 | 73 | 千吨 | 2026-9 |
| 1996 | 60 | 千吨 | 2026-9 |
| 1995 | 70 | 千吨 | 2026-9 |
| 1994 | 112 | 千吨 | 2026-9 |
| 1993 | 118 | 千吨 | 2026-9 |
| 1992 | 108 | 千吨 | 2026-9 |
| 1991 | 5 | 千吨 | 2026-9 |
| 1990 | 75 | 千吨 | 2026-9 |
| 1989 | 80 | 千吨 | 2026-9 |
| 1988 | 77 | 千吨 | 2026-9 |
| 1987 | 149 | 千吨 | 2026-9 |
| 1986 | 300 | 千吨 | 2026-9 |
| 1985 | 300 | 千吨 | 2026-9 |