| 年度 | 数值 | 单位 | 发布日期 |
| 2002 | 172 | 千头 | 2026-9 |
| 2001 | 172 | 千头 | 2026-9 |
| 2000 | 172 | 千头 | 2026-9 |
| 1999 | 245 | 千头 | 2026-9 |
| 1998 | 245 | 千头 | 2026-9 |
| 1997 | 240 | 千头 | 2026-9 |
| 1996 | 236 | 千头 | 2026-9 |
| 1995 | 236 | 千头 | 2026-9 |
| 1994 | 236 | 千头 | 2026-9 |
| 1993 | 235 | 千头 | 2026-9 |
| 1992 | 232 | 千头 | 2026-9 |
| 1991 | 228 | 千头 | 2026-9 |
| 1990 | 225 | 千头 | 2026-9 |
| 1989 | 224 | 千头 | 2026-9 |
| 1988 | 225 | 千头 | 2026-9 |
| 1987 | 236 | 千头 | 2026-9 |
| 1986 | 150 | 千头 | 2026-9 |
| 1985 | 125 | 千头 | 2026-9 |
| 1984 | 120 | 千头 | 2026-9 |
| 1983 | 120 | 千头 | 2026-9 |
| 1982 | 140 | 千头 | 2026-9 |
| 1981 | 134 | 千头 | 2026-9 |
| 1980 | 130 | 千头 | 2026-9 |
| 1979 | 124 | 千头 | 2026-9 |
| 1978 | 119 | 千头 | 2026-9 |
| 1977 | 114 | 千头 | 2026-9 |
| 1976 | 109 | 千头 | 2026-9 |
| 1975 | 112 | 千头 | 2026-9 |
| 1974 | 107 | 千头 | 2026-9 |
| 1973 | 103 | 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 |