| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2004 | 425 | 千头 | 2026-9 |
| 2003 | 350 | 千头 | 2026-9 |
| 2002 | 385 | 千头 | 2026-9 |
| 2001 | 370 | 千头 | 2026-9 |
| 2000 | 370 | 千头 | 2026-9 |
| 1999 | 390 | 千头 | 2026-9 |
| 1998 | 338 | 千头 | 2026-9 |
| 1997 | 500 | 千头 | 2026-9 |
| 1996 | 0 | 千头 | 2026-9 |
| 1995 | 501 | 千头 | 2026-9 |
| 1994 | 600 | 千头 | 2026-9 |
| 1993 | 699 | 千头 | 2026-9 |
| 1992 | 750 | 千头 | 2026-9 |
| 1991 | 800 | 千头 | 2026-9 |
| 1990 | 850 | 千头 | 2026-9 |
| 1989 | 899 | 千头 | 2026-9 |
| 1988 | 950 | 千头 | 2026-9 |
| 1987 | 909 | 千头 | 2026-9 |
| 1986 | 648 | 千头 | 2026-9 |
| 1985 | 626 | 千头 | 2026-9 |
| 1984 | 792 | 千头 | 2026-9 |
| 1983 | 774 | 千头 | 2026-9 |
| 1982 | 771 | 千头 | 2026-9 |
| 1981 | 754 | 千头 | 2026-9 |
| 1980 | 631 | 千头 | 2026-9 |
| 1979 | 416 | 千头 | 2026-9 |
| 1978 | 307 | 千头 | 2026-9 |
| 1977 | 328 | 千头 | 2026-9 |
| 1976 | 312 | 千头 | 2026-9 |
| 1975 | 604 | 千头 | 2026-9 |
| 1974 | 409 | 千头 | 2026-9 |
| 1973 | 0 | 千头 | 2026-9 |
| 1972 | 0 | 千头 | 2026-9 |
| 1971 | 0 | 千头 | 2026-9 |
| 1970 | 0 | 千头 | 2026-9 |
| 1969 | 0 | 千头 | 2026-9 |
| 1968 | 0 | 千头 | 2026-9 |
| 1967 | 0 | 千头 | 2026-9 |
| 1966 | 0 | 千头 | 2026-9 |
| 1965 | 0 | 千头 | 2026-9 |
| 1964 | 0 | 千头 | 2026-9 |
| 1963 | 0 | 千头 | 2026-9 |
| 1962 | 0 | 千头 | 2026-9 |
| 1961 | 0 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |