| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 75 | 千吨 | 2026-9 |
| 2025 | 73 | 千吨 | 2026-9 |
| 2024 | 68 | 千吨 | 2026-9 |
| 2023 | 65 | 千吨 | 2026-9 |
| 2022 | 65 | 千吨 | 2026-9 |
| 2021 | 81 | 千吨 | 2026-9 |
| 2020 | 92 | 千吨 | 2026-9 |
| 2019 | 96 | 千吨 | 2026-9 |
| 2018 | 105 | 千吨 | 2026-9 |
| 2017 | 110 | 千吨 | 2026-9 |
| 2016 | 102 | 千吨 | 2026-9 |
| 2015 | 108 | 千吨 | 2026-9 |
| 2014 | 121 | 千吨 | 2026-9 |
| 2013 | 103 | 千吨 | 2026-9 |
| 2012 | 96 | 千吨 | 2026-9 |
| 2011 | 80 | 千吨 | 2026-9 |
| 2010 | 85 | 千吨 | 2026-9 |
| 2009 | 91 | 千吨 | 2026-9 |
| 2008 | 88 | 千吨 | 2026-9 |
| 2007 | 101 | 千吨 | 2026-9 |
| 2006 | 110 | 千吨 | 2026-9 |
| 2005 | 118 | 千吨 | 2026-9 |
| 2004 | 145 | 千吨 | 2026-9 |
| 2003 | 158 | 千吨 | 2026-9 |
| 2002 | 125 | 千吨 | 2026-9 |
| 2001 | 153 | 千吨 | 2026-9 |
| 2000 | 136 | 千吨 | 2026-9 |
| 1999 | 111 | 千吨 | 2026-9 |
| 1998 | 106 | 千吨 | 2026-9 |
| 1997 | 114 | 千吨 | 2026-9 |
| 1996 | 160 | 千吨 | 2026-9 |
| 1995 | 223 | 千吨 | 2026-9 |
| 1994 | 264 | 千吨 | 2026-9 |
| 1993 | 319 | 千吨 | 2026-9 |
| 1992 | 310 | 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 |