| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 168 | 千吨 | 2026-9 |
| 2025 | 162 | 千吨 | 2026-9 |
| 2024 | 163 | 千吨 | 2026-9 |
| 2023 | 165 | 千吨 | 2026-9 |
| 2022 | 175 | 千吨 | 2026-9 |
| 2021 | 230 | 千吨 | 2026-9 |
| 2020 | 222 | 千吨 | 2026-9 |
| 2019 | 205 | 千吨 | 2026-9 |
| 2018 | 198 | 千吨 | 2026-9 |
| 2017 | 188 | 千吨 | 2026-9 |
| 2016 | 187 | 千吨 | 2026-9 |
| 2015 | 184 | 千吨 | 2026-9 |
| 2014 | 197 | 千吨 | 2026-9 |
| 2013 | 198 | 千吨 | 2026-9 |
| 2012 | 194 | 千吨 | 2026-9 |
| 2011 | 186 | 千吨 | 2026-9 |
| 2010 | 201 | 千吨 | 2026-9 |
| 2009 | 223 | 千吨 | 2026-9 |
| 2008 | 243 | 千吨 | 2026-9 |
| 2007 | 269 | 千吨 | 2026-9 |
| 2006 | 243 | 千吨 | 2026-9 |
| 2005 | 164 | 千吨 | 2026-9 |
| 2004 | 133 | 千吨 | 2026-9 |
| 2003 | 110 | 千吨 | 2026-9 |
| 2002 | 94 | 千吨 | 2026-9 |
| 2001 | 75 | 千吨 | 2026-9 |
| 2000 | 56 | 千吨 | 2026-9 |
| 1999 | 50 | 千吨 | 2026-9 |
| 1998 | 49 | 千吨 | 2026-9 |
| 1997 | 46 | 千吨 | 2026-9 |
| 1996 | 57 | 千吨 | 2026-9 |
| 1995 | 65 | 千吨 | 2026-9 |
| 1994 | 101 | 千吨 | 2026-9 |
| 1993 | 98 | 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 |