| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 65 | 千吨 | 2026-9 |
| 2025 | 59 | 千吨 | 2026-9 |
| 2024 | 62 | 千吨 | 2026-9 |
| 2023 | 58 | 千吨 | 2026-9 |
| 2022 | 52 | 千吨 | 2026-9 |
| 2021 | 72 | 千吨 | 2026-9 |
| 2020 | 83 | 千吨 | 2026-9 |
| 2019 | 80 | 千吨 | 2026-9 |
| 2018 | 76 | 千吨 | 2026-9 |
| 2017 | 82 | 千吨 | 2026-9 |
| 2016 | 93 | 千吨 | 2026-9 |
| 2015 | 97 | 千吨 | 2026-9 |
| 2014 | 116 | 千吨 | 2026-9 |
| 2013 | 100 | 千吨 | 2026-9 |
| 2012 | 96 | 千吨 | 2026-9 |
| 2011 | 78 | 千吨 | 2026-9 |
| 2010 | 84 | 千吨 | 2026-9 |
| 2009 | 90 | 千吨 | 2026-9 |
| 2008 | 82 | 千吨 | 2026-9 |
| 2007 | 97 | 千吨 | 2026-9 |
| 2006 | 92 | 千吨 | 2026-9 |
| 2005 | 94 | 千吨 | 2026-9 |
| 2004 | 103 | 千吨 | 2026-9 |
| 2003 | 140 | 千吨 | 2026-9 |
| 2002 | 110 | 千吨 | 2026-9 |
| 2001 | 100 | 千吨 | 2026-9 |
| 2000 | 105 | 千吨 | 2026-9 |
| 1999 | 103 | 千吨 | 2026-9 |
| 1998 | 96 | 千吨 | 2026-9 |
| 1997 | 55 | 千吨 | 2026-9 |
| 1996 | 65 | 千吨 | 2026-9 |
| 1995 | 154 | 千吨 | 2026-9 |
| 1994 | 241 | 千吨 | 2026-9 |
| 1993 | 289 | 千吨 | 2026-9 |
| 1992 | 310 | 千吨 | 2026-9 |
| 1991 | 352 | 千吨 | 2026-9 |
| 1990 | 376 | 千吨 | 2026-9 |
| 1989 | 357 | 千吨 | 2026-9 |
| 1988 | 399 | 千吨 | 2026-9 |