| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2023 | 377 | 千吨 | 2026-9 |
| 2022 | 383 | 千吨 | 2026-9 |
| 2021 | 396 | 千吨 | 2026-9 |
| 2020 | 388 | 千吨 | 2026-9 |
| 2019 | 370 | 千吨 | 2026-9 |
| 2018 | 382 | 千吨 | 2026-9 |
| 2017 | 366 | 千吨 | 2026-9 |
| 2016 | 361 | 千吨 | 2026-9 |
| 2015 | 339 | 千吨 | 2026-9 |
| 2014 | 346 | 千吨 | 2026-9 |
| 2013 | 459 | 千吨 | 2026-9 |
| 2012 | 485 | 千吨 | 2026-9 |
| 2011 | 463 | 千吨 | 2026-9 |
| 2010 | 413 | 千吨 | 2026-9 |
| 2009 | 357 | 千吨 | 2026-9 |
| 2008 | 377 | 千吨 | 2026-9 |
| 2007 | 326 | 千吨 | 2026-9 |
| 2006 | 340 | 千吨 | 2026-9 |
| 2005 | 307 | 千吨 | 2026-9 |
| 2004 | 302 | 千吨 | 2026-9 |
| 2003 | 302 | 千吨 | 2026-9 |
| 2002 | 267 | 千吨 | 2026-9 |
| 2001 | 265 | 千吨 | 2026-9 |
| 2000 | 263 | 千吨 | 2026-9 |
| 1999 | 271 | 千吨 | 2026-9 |
| 1998 | 275 | 千吨 | 2026-9 |
| 1997 | 253 | 千吨 | 2026-9 |
| 1996 | 232 | 千吨 | 2026-9 |
| 1995 | 223 | 千吨 | 2026-9 |
| 1994 | 214 | 千吨 | 2026-9 |
| 1993 | 241 | 千吨 | 2026-9 |
| 1992 | 275 | 千吨 | 2026-9 |
| 1991 | 275 | 千吨 | 2026-9 |
| 1990 | 316 | 千吨 | 2026-9 |
| 1989 | 329 | 千吨 | 2026-9 |
| 1988 | 332 | 千吨 | 2026-9 |