| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 535 | 千吨 | 2026-9 |
| 2025 | 530 | 千吨 | 2026-9 |
| 2024 | 525 | 千吨 | 2026-9 |
| 2023 | 515 | 千吨 | 2026-9 |
| 2022 | 500 | 千吨 | 2026-9 |
| 2021 | 480 | 千吨 | 2026-9 |
| 2020 | 492 | 千吨 | 2026-9 |
| 2019 | 464 | 千吨 | 2026-9 |
| 2018 | 461 | 千吨 | 2026-9 |
| 2017 | 450 | 千吨 | 2026-9 |
| 2016 | 451 | 千吨 | 2026-9 |
| 2015 | 440 | 千吨 | 2026-9 |
| 2014 | 438 | 千吨 | 2026-9 |
| 2013 | 443 | 千吨 | 2026-9 |
| 2012 | 434 | 千吨 | 2026-9 |
| 2011 | 447 | 千吨 | 2026-9 |
| 2010 | 447 | 千吨 | 2026-9 |
| 2009 | 459 | 千吨 | 2026-9 |
| 2008 | 483 | 千吨 | 2026-9 |
| 2007 | 494 | 千吨 | 2026-9 |
| 2006 | 490 | 千吨 | 2026-9 |
| 2005 | 517 | 千吨 | 2026-9 |
| 2004 | 500 | 千吨 | 2026-9 |
| 2003 | 507 | 千吨 | 2026-9 |
| 2002 | 507 | 千吨 | 2026-9 |
| 2001 | 548 | 千吨 | 2026-9 |
| 2000 | 593 | 千吨 | 2026-9 |
| 1999 | 601 | 千吨 | 2026-9 |
| 1998 | 625 | 千吨 | 2026-9 |
| 1997 | 700 | 千吨 | 2026-9 |
| 1996 | 700 | 千吨 | 2026-9 |
| 1995 | 700 | 千吨 | 2026-9 |
| 1994 | 690 | 千吨 | 2026-9 |
| 1993 | 690 | 千吨 | 2026-9 |
| 1992 | 690 | 千吨 | 2026-9 |
| 1991 | 685 | 千吨 | 2026-9 |
| 1990 | 692 | 千吨 | 2026-9 |
| 1989 | 689 | 千吨 | 2026-9 |
| 1988 | 733 | 千吨 | 2026-9 |
| 1987 | 693 | 千吨 | 2026-9 |
| 1986 | 797 | 千吨 | 2026-9 |
| 1985 | 792 | 千吨 | 2026-9 |
| 1984 | 968 | 千吨 | 2026-9 |
| 1983 | 693 | 千吨 | 2026-9 |
| 1982 | 690 | 千吨 | 2026-9 |
| 1981 | 643 | 千吨 | 2026-9 |
| 1980 | 633 | 千吨 | 2026-9 |
| 1979 | 652 | 千吨 | 2026-9 |
| 1978 | 679 | 千吨 | 2026-9 |
| 1977 | 699 | 千吨 | 2026-9 |
| 1976 | 711 | 千吨 | 2026-9 |
| 1975 | 710 | 千吨 | 2026-9 |
| 1974 | 707 | 千吨 | 2026-9 |
| 1973 | 718 | 千吨 | 2026-9 |
| 1972 | 737 | 千吨 | 2026-9 |
| 1971 | 742 | 千吨 | 2026-9 |
| 1970 | 772 | 千吨 | 2026-9 |
| 1969 | 792 | 千吨 | 2026-9 |
| 1968 | 826 | 千吨 | 2026-9 |
| 1967 | 858 | 千吨 | 2026-9 |
| 1966 | 878 | 千吨 | 2026-9 |
| 1965 | 890 | 千吨 | 2026-9 |
| 1964 | 905 | 千吨 | 2026-9 |