| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 73 | 千吨 | 2026-9 |
| 2025 | 72 | 千吨 | 2026-9 |
| 2024 | 64 | 千吨 | 2026-9 |
| 2023 | 63 | 千吨 | 2026-9 |
| 2022 | 60 | 千吨 | 2026-9 |
| 2021 | 72 | 千吨 | 2026-9 |
| 2020 | 89 | 千吨 | 2026-9 |
| 2019 | 89 | 千吨 | 2026-9 |
| 2018 | 106 | 千吨 | 2026-9 |
| 2017 | 109 | 千吨 | 2026-9 |
| 2016 | 103 | 千吨 | 2026-9 |
| 2015 | 103 | 千吨 | 2026-9 |
| 2014 | 115 | 千吨 | 2026-9 |
| 2013 | 93 | 千吨 | 2026-9 |
| 2012 | 88 | 千吨 | 2026-9 |
| 2011 | 76 | 千吨 | 2026-9 |
| 2010 | 79 | 千吨 | 2026-9 |
| 2009 | 75 | 千吨 | 2026-9 |
| 2008 | 85 | 千吨 | 2026-9 |
| 2007 | 100 | 千吨 | 2026-9 |
| 2006 | 105 | 千吨 | 2026-9 |
| 2005 | 118 | 千吨 | 2026-9 |
| 2004 | 138 | 千吨 | 2026-9 |
| 2003 | 148 | 千吨 | 2026-9 |
| 2002 | 131 | 千吨 | 2026-9 |
| 2001 | 156 | 千吨 | 2026-9 |
| 2000 | 135 | 千吨 | 2026-9 |
| 1999 | 108 | 千吨 | 2026-9 |
| 1998 | 113 | 千吨 | 2026-9 |
| 1997 | 109 | 千吨 | 2026-9 |
| 1996 | 163 | 千吨 | 2026-9 |
| 1995 | 219 | 千吨 | 2026-9 |
| 1994 | 254 | 千吨 | 2026-9 |
| 1993 | 312 | 千吨 | 2026-9 |
| 1992 | 303 | 千吨 | 2026-9 |
| 1991 | 376 | 千吨 | 2026-9 |
| 1990 | 444 | 千吨 | 2026-9 |
| 1989 | 441 | 千吨 | 2026-9 |
| 1988 | 440 | 千吨 | 2026-9 |