| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 394 | 千吨 | 2026-9 |
| 2025 | 389 | 千吨 | 2026-9 |
| 2024 | 381 | 千吨 | 2026-9 |
| 2023 | 368 | 千吨 | 2026-9 |
| 2022 | 378 | 千吨 | 2026-9 |
| 2021 | 393 | 千吨 | 2026-9 |
| 2020 | 402 | 千吨 | 2026-9 |
| 2019 | 384 | 千吨 | 2026-9 |
| 2018 | 346 | 千吨 | 2026-9 |
| 2017 | 357 | 千吨 | 2026-9 |
| 2016 | 353 | 千吨 | 2026-9 |
| 2015 | 350 | 千吨 | 2026-9 |
| 2014 | 376 | 千吨 | 2026-9 |
| 2013 | 357 | 千吨 | 2026-9 |
| 2012 | 340 | 千吨 | 2026-9 |
| 2011 | 334 | 千吨 | 2026-9 |
| 2010 | 324 | 千吨 | 2026-9 |
| 2009 | 362 | 千吨 | 2026-9 |
| 2008 | 435 | 千吨 | 2026-9 |
| 2007 | 420 | 千吨 | 2026-9 |
| 2006 | 400 | 千吨 | 2026-9 |
| 2005 | 385 | 千吨 | 2026-9 |
| 2004 | 437 | 千吨 | 2026-9 |
| 2003 | 440 | 千吨 | 2026-9 |
| 2002 | 400 | 千吨 | 2026-9 |
| 2001 | 380 | 千吨 | 2026-9 |
| 2000 | 332 | 千吨 | 2026-9 |
| 1999 | 317 | 千吨 | 2026-9 |
| 1998 | 419 | 千吨 | 2026-9 |
| 1997 | 514 | 千吨 | 2026-9 |
| 1996 | 483 | 千吨 | 2026-9 |
| 1995 | 570 | 千吨 | 2026-9 |
| 1994 | 667 | 千吨 | 2026-9 |
| 1993 | 859 | 千吨 | 2026-9 |
| 1992 | 1002 | 千吨 | 2026-9 |
| 1991 | 901 | 千吨 | 2026-9 |
| 1990 | 1142 | 千吨 | 2026-9 |
| 1989 | 1112 | 千吨 | 2026-9 |
| 1988 | 1186 | 千吨 | 2026-9 |