| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 1430 | 千吨 | 2026-9 |
| 2025 | 1420 | 千吨 | 2026-9 |
| 2024 | 1420 | 千吨 | 2026-9 |
| 2023 | 1400 | 千吨 | 2026-9 |
| 2022 | 1400 | 千吨 | 2026-9 |
| 2021 | 1600 | 千吨 | 2026-9 |
| 2020 | 1570 | 千吨 | 2026-9 |
| 2019 | 1490 | 千吨 | 2026-9 |
| 2018 | 1450 | 千吨 | 2026-9 |
| 2017 | 1380 | 千吨 | 2026-9 |
| 2016 | 1320 | 千吨 | 2026-9 |
| 2015 | 1380 | 千吨 | 2026-9 |
| 2014 | 1460 | 千吨 | 2026-9 |
| 2013 | 1300 | 千吨 | 2026-9 |
| 2012 | 1273 | 千吨 | 2026-9 |
| 2011 | 1162 | 千吨 | 2026-9 |
| 2010 | 947 | 千吨 | 2026-9 |
| 2009 | 768 | 千吨 | 2026-9 |
| 2008 | 677 | 千吨 | 2026-9 |
| 2007 | 672 | 千吨 | 2026-9 |
| 2006 | 640 | 千吨 | 2026-9 |
| 2005 | 615 | 千吨 | 2026-9 |
| 2004 | 635 | 千吨 | 2026-9 |
| 2003 | 615 | 千吨 | 2026-9 |
| 2002 | 540 | 千吨 | 2026-9 |
| 2001 | 520 | 千吨 | 2026-9 |
| 2000 | 421 | 千吨 | 2026-9 |
| 1999 | 382 | 千吨 | 2026-9 |
| 1998 | 397 | 千吨 | 2026-9 |
| 1997 | 366 | 千吨 | 2026-9 |
| 1996 | 333 | 千吨 | 2026-9 |
| 1995 | 342 | 千吨 | 2026-9 |
| 1994 | 333 | 千吨 | 2026-9 |
| 1993 | 308 | 千吨 | 2026-9 |
| 1992 | 274 | 千吨 | 2026-9 |
| 1991 | 251 | 千吨 | 2026-9 |
| 1990 | 381 | 千吨 | 2026-9 |
| 1989 | 373 | 千吨 | 2026-9 |
| 1988 | 382 | 千吨 | 2026-9 |
| 1987 | 343 | 千吨 | 2026-9 |
| 1986 | 408 | 千吨 | 2026-9 |
| 1985 | 380 | 千吨 | 2026-9 |
| 1984 | 373 | 千吨 | 2026-9 |
| 1983 | 307 | 千吨 | 2026-9 |
| 1982 | 341 | 千吨 | 2026-9 |