| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 270 | 千吨 | 2026-9 |
| 2025 | 260 | 千吨 | 2026-9 |
| 2024 | 236 | 千吨 | 2026-9 |
| 2023 | 250 | 千吨 | 2026-9 |
| 2022 | 249 | 千吨 | 2026-9 |
| 2021 | 221 | 千吨 | 2026-9 |
| 2020 | 250 | 千吨 | 2026-9 |
| 2019 | 233 | 千吨 | 2026-9 |
| 2018 | 271 | 千吨 | 2026-9 |
| 2017 | 228 | 千吨 | 2026-9 |
| 2016 | 245 | 千吨 | 2026-9 |
| 2015 | 211 | 千吨 | 2026-9 |
| 2014 | 226 | 千吨 | 2026-9 |
| 2013 | 138 | 千吨 | 2026-9 |
| 2012 | 188 | 千吨 | 2026-9 |
| 2011 | 204 | 千吨 | 2026-9 |
| 2010 | 167 | 千吨 | 2026-9 |
| 2009 | 200 | 千吨 | 2026-9 |
| 2008 | 153 | 千吨 | 2026-9 |
| 2007 | 161 | 千吨 | 2026-9 |
| 2006 | 182 | 千吨 | 2026-9 |
| 2005 | 167 | 千吨 | 2026-9 |
| 2004 | 161 | 千吨 | 2026-9 |
| 2003 | 123 | 千吨 | 2026-9 |
| 2002 | 116 | 千吨 | 2026-9 |
| 2001 | 110 | 千吨 | 2026-9 |
| 2000 | 110 | 千吨 | 2026-9 |
| 1999 | 108 | 千吨 | 2026-9 |
| 1998 | 105 | 千吨 | 2026-9 |
| 1997 | 73 | 千吨 | 2026-9 |
| 1996 | 52 | 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 | 0 | 千吨 | 2026-9 |
| 1990 | 75 | 千吨 | 2026-9 |
| 1989 | 80 | 千吨 | 2026-9 |
| 1988 | 77 | 千吨 | 2026-9 |
| 1987 | 75 | 千吨 | 2026-9 |
| 1986 | 300 | 千吨 | 2026-9 |
| 1985 | 300 | 千吨 | 2026-9 |