| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2002 | 170 | 千头 | 2026-9 |
| 2001 | 170 | 千头 | 2026-9 |
| 2000 | 180 | 千头 | 2026-9 |
| 1999 | 200 | 千头 | 2026-9 |
| 1998 | 211 | 千头 | 2026-9 |
| 1997 | 211 | 千头 | 2026-9 |
| 1996 | 190 | 千头 | 2026-9 |
| 1995 | 159 | 千头 | 2026-9 |
| 1994 | 140 | 千头 | 2026-9 |
| 1993 | 130 | 千头 | 2026-9 |
| 1992 | 115 | 千头 | 2026-9 |
| 1991 | 120 | 千头 | 2026-9 |
| 1990 | 110 | 千头 | 2026-9 |
| 1989 | 100 | 千头 | 2026-9 |
| 1988 | 100 | 千头 | 2026-9 |
| 1987 | 80 | 千头 | 2026-9 |
| 1986 | 75 | 千头 | 2026-9 |
| 1985 | 95 | 千头 | 2026-9 |
| 1984 | 45 | 千头 | 2026-9 |
| 1983 | 65 | 千头 | 2026-9 |
| 1982 | 10 | 千头 | 2026-9 |
| 1981 | 10 | 千头 | 2026-9 |
| 1980 | 50 | 千头 | 2026-9 |
| 1979 | 75 | 千头 | 2026-9 |
| 1978 | 60 | 千头 | 2026-9 |
| 1977 | 55 | 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 | 9 | 千头 | 2026-9 |
| 1971 | 5 | 千头 | 2026-9 |
| 1970 | 8 | 千头 | 2026-9 |
| 1969 | 10 | 千头 | 2026-9 |
| 1968 | 29 | 千头 | 2026-9 |
| 1967 | 32 | 千头 | 2026-9 |
| 1966 | 28 | 千头 | 2026-9 |
| 1965 | 25 | 千头 | 2026-9 |
| 1964 | 33 | 千头 | 2026-9 |
| 1963 | 41 | 千头 | 2026-9 |
| 1962 | 43 | 千头 | 2026-9 |
| 1961 | 48 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |