| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 2 | 千吨 | 2026-9 |
| 2025 | 2 | 千吨 | 2026-9 |
| 2024 | 3 | 千吨 | 2026-9 |
| 2023 | 15 | 千吨 | 2026-9 |
| 2022 | 18 | 千吨 | 2026-9 |
| 2021 | 16 | 千吨 | 2026-9 |
| 2020 | 13 | 千吨 | 2026-9 |
| 2019 | 107 | 千吨 | 2026-9 |
| 2018 | 84 | 千吨 | 2026-9 |
| 2017 | 367 | 千吨 | 2026-9 |
| 2016 | 339 | 千吨 | 2026-9 |
| 2015 | 392 | 千吨 | 2026-9 |
| 2014 | 495 | 千吨 | 2026-9 |
| 2013 | 818 | 千吨 | 2026-9 |
| 2012 | 957 | 千吨 | 2026-9 |
| 2011 | 859 | 千吨 | 2026-9 |
| 2010 | 818 | 千吨 | 2026-9 |
| 2009 | 820 | 千吨 | 2026-9 |
| 2008 | 996 | 千吨 | 2026-9 |
| 2007 | 841 | 千吨 | 2026-9 |
| 2006 | 783 | 千吨 | 2026-9 |
| 2005 | 688 | 千吨 | 2026-9 |
| 2004 | 637 | 千吨 | 2026-9 |
| 2003 | 728 | 千吨 | 2026-9 |
| 2002 | 822 | 千吨 | 2026-9 |
| 2001 | 529 | 千吨 | 2026-9 |
| 2000 | 307 | 千吨 | 2026-9 |
| 1999 | 600 | 千吨 | 2026-9 |
| 1998 | 592 | 千吨 | 2026-9 |
| 1997 | 694 | 千吨 | 2026-9 |
| 1996 | 690 | 千吨 | 2026-9 |
| 1995 | 550 | 千吨 | 2026-9 |
| 1994 | 324 | 千吨 | 2026-9 |
| 1993 | 220 | 千吨 | 2026-9 |
| 1992 | 141 | 千吨 | 2026-9 |
| 1991 | 262 | 千吨 | 2026-9 |
| 1990 | 440 | 千吨 | 2026-9 |
| 1989 | 376 | 千吨 | 2026-9 |
| 1988 | 249 | 千吨 | 2026-9 |