| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 184 | 千吨 | 2026-9 |
| 2025 | 177 | 千吨 | 2026-9 |
| 2024 | 175 | 千吨 | 2026-9 |
| 2023 | 174 | 千吨 | 2026-9 |
| 2022 | 184 | 千吨 | 2026-9 |
| 2021 | 237 | 千吨 | 2026-9 |
| 2020 | 228 | 千吨 | 2026-9 |
| 2019 | 212 | 千吨 | 2026-9 |
| 2018 | 206 | 千吨 | 2026-9 |
| 2017 | 197 | 千吨 | 2026-9 |
| 2016 | 195 | 千吨 | 2026-9 |
| 2015 | 195 | 千吨 | 2026-9 |
| 2014 | 216 | 千吨 | 2026-9 |
| 2013 | 257 | 千吨 | 2026-9 |
| 2012 | 262 | 千吨 | 2026-9 |
| 2011 | 266 | 千吨 | 2026-9 |
| 2010 | 280 | 千吨 | 2026-9 |
| 2009 | 300 | 千吨 | 2026-9 |
| 2008 | 320 | 千吨 | 2026-9 |
| 2007 | 331 | 千吨 | 2026-9 |
| 2006 | 293 | 千吨 | 2026-9 |
| 2005 | 280 | 千吨 | 2026-9 |
| 2004 | 227 | 千吨 | 2026-9 |
| 2003 | 171 | 千吨 | 2026-9 |
| 2002 | 131 | 千吨 | 2026-9 |
| 2001 | 106 | 千吨 | 2026-9 |
| 2000 | 68 | 千吨 | 2026-9 |
| 1999 | 56 | 千吨 | 2026-9 |
| 1998 | 53 | 千吨 | 2026-9 |
| 1997 | 48 | 千吨 | 2026-9 |
| 1996 | 60 | 千吨 | 2026-9 |
| 1995 | 71 | 千吨 | 2026-9 |
| 1994 | 106 | 千吨 | 2026-9 |
| 1993 | 102 | 千吨 | 2026-9 |
| 1992 | 113 | 千吨 | 2026-9 |
| 1991 | 162 | 千吨 | 2026-9 |
| 1990 | 184 | 千吨 | 2026-9 |
| 1989 | 184 | 千吨 | 2026-9 |
| 1988 | 183 | 千吨 | 2026-9 |