| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 415 | 千吨 | 2026-9 |
| 2025 | 426 | 千吨 | 2026-9 |
| 2024 | 409 | 千吨 | 2026-9 |
| 2023 | 430 | 千吨 | 2026-9 |
| 2022 | 699 | 千吨 | 2026-9 |
| 2021 | 849 | 千吨 | 2026-9 |
| 2020 | 644 | 千吨 | 2026-9 |
| 2019 | 671 | 千吨 | 2026-9 |
| 2018 | 521 | 千吨 | 2026-9 |
| 2017 | 470 | 千吨 | 2026-9 |
| 2016 | 420 | 千吨 | 2026-9 |
| 2015 | 347 | 千吨 | 2026-9 |
| 2014 | 671 | 千吨 | 2026-9 |
| 2013 | 619 | 千吨 | 2026-9 |
| 2012 | 406 | 千吨 | 2026-9 |
| 2011 | 320 | 千吨 | 2026-9 |
| 2010 | 326 | 千吨 | 2026-9 |
| 2009 | 177 | 千吨 | 2026-9 |
| 2008 | 46 | 千吨 | 2026-9 |
| 2007 | 59 | 千吨 | 2026-9 |
| 2006 | 74 | 千吨 | 2026-9 |
| 2005 | 65 | 千吨 | 2026-9 |
| 2004 | 91 | 千吨 | 2026-9 |
| 2003 | 91 | 千吨 | 2026-9 |
| 2002 | 77 | 千吨 | 2026-9 |
| 2001 | 41 | 千吨 | 2026-9 |
| 2000 | 51 | 千吨 | 2026-9 |
| 1999 | 69 | 千吨 | 2026-9 |
| 1998 | 44 | 千吨 | 2026-9 |
| 1997 | 44 | 千吨 | 2026-9 |
| 1996 | 30 | 千吨 | 2026-9 |
| 1995 | 15 | 千吨 | 2026-9 |
| 1994 | 22 | 千吨 | 2026-9 |
| 1993 | 11 | 千吨 | 2026-9 |
| 1992 | 9 | 千吨 | 2026-9 |
| 1991 | 10 | 千吨 | 2026-9 |
| 1990 | 12 | 千吨 | 2026-9 |
| 1989 | 15 | 千吨 | 2026-9 |
| 1988 | 10 | 千吨 | 2026-9 |
| 1987 | 0 | 千吨 | 2026-9 |
| 1986 | 0 | 千吨 | 2026-9 |