| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 275 | 千吨 | 2026-9 |
| 2025 | 277 | 千吨 | 2026-9 |
| 2024 | 280 | 千吨 | 2026-9 |
| 2023 | 282 | 千吨 | 2026-9 |
| 2022 | 275 | 千吨 | 2026-9 |
| 2021 | 270 | 千吨 | 2026-9 |
| 2020 | 282 | 千吨 | 2026-9 |
| 2019 | 268 | 千吨 | 2026-9 |
| 2018 | 256 | 千吨 | 2026-9 |
| 2017 | 270 | 千吨 | 2026-9 |
| 2016 | 246 | 千吨 | 2026-9 |
| 2015 | 260 | 千吨 | 2026-9 |
| 2014 | 252 | 千吨 | 2026-9 |
| 2013 | 219 | 千吨 | 2026-9 |
| 2012 | 216 | 千吨 | 2026-9 |
| 2011 | 217 | 千吨 | 2026-9 |
| 2010 | 207 | 千吨 | 2026-9 |
| 2009 | 246 | 千吨 | 2026-9 |
| 2008 | 305 | 千吨 | 2026-9 |
| 2007 | 300 | 千吨 | 2026-9 |
| 2006 | 290 | 千吨 | 2026-9 |
| 2005 | 275 | 千吨 | 2026-9 |
| 2004 | 270 | 千吨 | 2026-9 |
| 2003 | 280 | 千吨 | 2026-9 |
| 2002 | 280 | 千吨 | 2026-9 |
| 2001 | 270 | 千吨 | 2026-9 |
| 2000 | 265 | 千吨 | 2026-9 |
| 1999 | 260 | 千吨 | 2026-9 |
| 1998 | 270 | 千吨 | 2026-9 |
| 1997 | 280 | 千吨 | 2026-9 |
| 1996 | 290 | 千吨 | 2026-9 |
| 1995 | 419 | 千吨 | 2026-9 |
| 1994 | 488 | 千吨 | 2026-9 |
| 1993 | 732 | 千吨 | 2026-9 |
| 1992 | 762 | 千吨 | 2026-9 |
| 1991 | 729 | 千吨 | 2026-9 |
| 1990 | 833 | 千吨 | 2026-9 |
| 1989 | 820 | 千吨 | 2026-9 |
| 1988 | 809 | 千吨 | 2026-9 |