| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 112 | 千吨 | 2026-9 |
| 2025 | 113 | 千吨 | 2026-9 |
| 2024 | 115 | 千吨 | 2026-9 |
| 2023 | 115 | 千吨 | 2026-9 |
| 2022 | 110 | 千吨 | 2026-9 |
| 2021 | 95 | 千吨 | 2026-9 |
| 2020 | 95 | 千吨 | 2026-9 |
| 2019 | 88 | 千吨 | 2026-9 |
| 2018 | 70 | 千吨 | 2026-9 |
| 2017 | 72 | 千吨 | 2026-9 |
| 2016 | 63 | 千吨 | 2026-9 |
| 2015 | 69 | 千吨 | 2026-9 |
| 2014 | 84 | 千吨 | 2026-9 |
| 2013 | 58 | 千吨 | 2026-9 |
| 2012 | 57 | 千吨 | 2026-9 |
| 2011 | 55 | 千吨 | 2026-9 |
| 2010 | 42 | 千吨 | 2026-9 |
| 2009 | 70 | 千吨 | 2026-9 |
| 2008 | 120 | 千吨 | 2026-9 |
| 2007 | 115 | 千吨 | 2026-9 |
| 2006 | 110 | 千吨 | 2026-9 |
| 2005 | 110 | 千吨 | 2026-9 |
| 2004 | 125 | 千吨 | 2026-9 |
| 2003 | 145 | 千吨 | 2026-9 |
| 2002 | 140 | 千吨 | 2026-9 |
| 2001 | 130 | 千吨 | 2026-9 |
| 2000 | 125 | 千吨 | 2026-9 |
| 1999 | 130 | 千吨 | 2026-9 |
| 1998 | 170 | 千吨 | 2026-9 |
| 1997 | 170 | 千吨 | 2026-9 |
| 1996 | 170 | 千吨 | 2026-9 |
| 1995 | 190 | 千吨 | 2026-9 |
| 1994 | 210 | 千吨 | 2026-9 |
| 1993 | 230 | 千吨 | 2026-9 |
| 1992 | 247 | 千吨 | 2026-9 |
| 1991 | 338 | 千吨 | 2026-9 |
| 1990 | 300 | 千吨 | 2026-9 |
| 1989 | 300 | 千吨 | 2026-9 |
| 1988 | 165 | 千吨 | 2026-9 |