| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 291 | 千吨 | 2026-9 |
| 2025 | 281 | 千吨 | 2026-9 |
| 2024 | 261 | 千吨 | 2026-9 |
| 2023 | 281 | 千吨 | 2026-9 |
| 2022 | 291 | 千吨 | 2026-9 |
| 2021 | 282 | 千吨 | 2026-9 |
| 2020 | 317 | 千吨 | 2026-9 |
| 2019 | 317 | 千吨 | 2026-9 |
| 2018 | 329 | 千吨 | 2026-9 |
| 2017 | 293 | 千吨 | 2026-9 |
| 2016 | 287 | 千吨 | 2026-9 |
| 2015 | 256 | 千吨 | 2026-9 |
| 2014 | 235 | 千吨 | 2026-9 |
| 2013 | 175 | 千吨 | 2026-9 |
| 2012 | 222 | 千吨 | 2026-9 |
| 2011 | 219 | 千吨 | 2026-9 |
| 2010 | 197 | 千吨 | 2026-9 |
| 2009 | 202 | 千吨 | 2026-9 |
| 2008 | 162 | 千吨 | 2026-9 |
| 2007 | 189 | 千吨 | 2026-9 |
| 2006 | 204 | 千吨 | 2026-9 |
| 2005 | 197 | 千吨 | 2026-9 |
| 2004 | 170 | 千吨 | 2026-9 |
| 2003 | 127 | 千吨 | 2026-9 |
| 2002 | 122 | 千吨 | 2026-9 |
| 2001 | 113 | 千吨 | 2026-9 |
| 2000 | 112 | 千吨 | 2026-9 |
| 1999 | 110 | 千吨 | 2026-9 |
| 1998 | 107 | 千吨 | 2026-9 |
| 1997 | 75 | 千吨 | 2026-9 |
| 1996 | 62 | 千吨 | 2026-9 |
| 1995 | 80 | 千吨 | 2026-9 |
| 1994 | 122 | 千吨 | 2026-9 |
| 1993 | 128 | 千吨 | 2026-9 |
| 1992 | 118 | 千吨 | 2026-9 |
| 1991 | 15 | 千吨 | 2026-9 |
| 1990 | 90 | 千吨 | 2026-9 |
| 1989 | 95 | 千吨 | 2026-9 |
| 1988 | 92 | 千吨 | 2026-9 |
| 1987 | 164 | 千吨 | 2026-9 |
| 1986 | 389 | 千吨 | 2026-9 |
| 1985 | 389 | 千吨 | 2026-9 |