| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2005 | 1325 | 千吨 | 2026-9 |
| 2004 | 1285 | 千吨 | 2026-9 |
| 2003 | 1231 | 千吨 | 2026-9 |
| 2002 | 1199 | 千吨 | 2026-9 |
| 2001 | 1105 | 千吨 | 2026-9 |
| 2000 | 1105 | 千吨 | 2026-9 |
| 1999 | 1055 | 千吨 | 2026-9 |
| 1998 | 1003 | 千吨 | 2026-9 |
| 1997 | 855 | 千吨 | 2026-9 |
| 1996 | 735 | 千吨 | 2026-9 |
| 1995 | 670 | 千吨 | 2026-9 |
| 1994 | 646 | 千吨 | 2026-9 |
| 1993 | 640 | 千吨 | 2026-9 |
| 1992 | 630 | 千吨 | 2026-9 |
| 1991 | 655 | 千吨 | 2026-9 |
| 1990 | 580 | 千吨 | 2026-9 |
| 1989 | 668 | 千吨 | 2026-9 |
| 1988 | 684 | 千吨 | 2026-9 |
| 1987 | 673 | 千吨 | 2026-9 |
| 1986 | 670 | 千吨 | 2026-9 |
| 1985 | 663 | 千吨 | 2026-9 |
| 1984 | 620 | 千吨 | 2026-9 |
| 1983 | 597 | 千吨 | 2026-9 |
| 1982 | 650 | 千吨 | 2026-9 |
| 1981 | 646 | 千吨 | 2026-9 |
| 1980 | 634 | 千吨 | 2026-9 |
| 1979 | 639 | 千吨 | 2026-9 |
| 1978 | 635 | 千吨 | 2026-9 |
| 1977 | 630 | 千吨 | 2026-9 |
| 1976 | 640 | 千吨 | 2026-9 |
| 1975 | 634 | 千吨 | 2026-9 |
| 1974 | 625 | 千吨 | 2026-9 |
| 1973 | 619 | 千吨 | 2026-9 |
| 1972 | 607 | 千吨 | 2026-9 |
| 1971 | 607 | 千吨 | 2026-9 |
| 1970 | 593 | 千吨 | 2026-9 |
| 1969 | 780 | 千吨 | 2026-9 |
| 1968 | 748 | 千吨 | 2026-9 |
| 1967 | 744 | 千吨 | 2026-9 |
| 1966 | 743 | 千吨 | 2026-9 |
| 1965 | 732 | 千吨 | 2026-9 |
| 1964 | 731 | 千吨 | 2026-9 |