| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2005 | 1320 | 千吨 | 2026-9 |
| 2004 | 1280 | 千吨 | 2026-9 |
| 2003 | 1226 | 千吨 | 2026-9 |
| 2002 | 1194 | 千吨 | 2026-9 |
| 2001 | 1100 | 千吨 | 2026-9 |
| 2000 | 1100 | 千吨 | 2026-9 |
| 1999 | 1050 | 千吨 | 2026-9 |
| 1998 | 998 | 千吨 | 2026-9 |
| 1997 | 850 | 千吨 | 2026-9 |
| 1996 | 730 | 千吨 | 2026-9 |
| 1995 | 665 | 千吨 | 2026-9 |
| 1994 | 641 | 千吨 | 2026-9 |
| 1993 | 630 | 千吨 | 2026-9 |
| 1992 | 620 | 千吨 | 2026-9 |
| 1991 | 645 | 千吨 | 2026-9 |
| 1990 | 565 | 千吨 | 2026-9 |
| 1989 | 652 | 千吨 | 2026-9 |
| 1988 | 668 | 千吨 | 2026-9 |
| 1987 | 655 | 千吨 | 2026-9 |
| 1986 | 652 | 千吨 | 2026-9 |
| 1985 | 645 | 千吨 | 2026-9 |
| 1984 | 603 | 千吨 | 2026-9 |
| 1983 | 580 | 千吨 | 2026-9 |
| 1982 | 635 | 千吨 | 2026-9 |
| 1981 | 630 | 千吨 | 2026-9 |
| 1980 | 620 | 千吨 | 2026-9 |
| 1979 | 625 | 千吨 | 2026-9 |
| 1978 | 620 | 千吨 | 2026-9 |
| 1977 | 610 | 千吨 | 2026-9 |
| 1976 | 620 | 千吨 | 2026-9 |
| 1975 | 615 | 千吨 | 2026-9 |
| 1974 | 606 | 千吨 | 2026-9 |
| 1973 | 600 | 千吨 | 2026-9 |
| 1972 | 588 | 千吨 | 2026-9 |
| 1971 | 588 | 千吨 | 2026-9 |
| 1970 | 575 | 千吨 | 2026-9 |
| 1969 | 762 | 千吨 | 2026-9 |
| 1968 | 730 | 千吨 | 2026-9 |
| 1967 | 726 | 千吨 | 2026-9 |
| 1966 | 725 | 千吨 | 2026-9 |
| 1965 | 714 | 千吨 | 2026-9 |
| 1964 | 713 | 千吨 | 2026-9 |