| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2003 | 175 | 千头 | 2026-9 |
| 2002 | 170 | 千头 | 2026-9 |
| 2001 | 170 | 千头 | 2026-9 |
| 2000 | 165 | 千头 | 2026-9 |
| 1999 | 160 | 千头 | 2026-9 |
| 1998 | 163 | 千头 | 2026-9 |
| 1997 | 163 | 千头 | 2026-9 |
| 1996 | 135 | 千头 | 2026-9 |
| 1995 | 95 | 千头 | 2026-9 |
| 1994 | 90 | 千头 | 2026-9 |
| 1993 | 140 | 千头 | 2026-9 |
| 1992 | 135 | 千头 | 2026-9 |
| 1991 | 150 | 千头 | 2026-9 |
| 1990 | 140 | 千头 | 2026-9 |
| 1989 | 100 | 千头 | 2026-9 |
| 1988 | 30 | 千头 | 2026-9 |
| 1987 | 30 | 千头 | 2026-9 |
| 1986 | 40 | 千头 | 2026-9 |
| 1985 | 50 | 千头 | 2026-9 |
| 1984 | 45 | 千头 | 2026-9 |
| 1983 | 20 | 千头 | 2026-9 |
| 1982 | 40 | 千头 | 2026-9 |
| 1981 | 60 | 千头 | 2026-9 |
| 1980 | 75 | 千头 | 2026-9 |
| 1979 | 100 | 千头 | 2026-9 |
| 1978 | 65 | 千头 | 2026-9 |
| 1977 | 50 | 千头 | 2026-9 |
| 1976 | 30 | 千头 | 2026-9 |
| 1975 | 35 | 千头 | 2026-9 |
| 1974 | 0 | 千头 | 2026-9 |
| 1973 | 1 | 千头 | 2026-9 |
| 1972 | 12 | 千头 | 2026-9 |
| 1971 | 16 | 千头 | 2026-9 |
| 1970 | 21 | 千头 | 2026-9 |
| 1969 | 33 | 千头 | 2026-9 |
| 1968 | 37 | 千头 | 2026-9 |
| 1967 | 45 | 千头 | 2026-9 |
| 1966 | 38 | 千头 | 2026-9 |
| 1965 | 34 | 千头 | 2026-9 |
| 1964 | 39 | 千头 | 2026-9 |
| 1963 | 38 | 千头 | 2026-9 |
| 1962 | 28 | 千头 | 2026-9 |
| 1961 | 21 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |