| 年度 | 数值 | 单位 | 发布日期 |
| 2002 | 180 | 千头 | 2026-9 |
| 2001 | 185 | 千头 | 2026-9 |
| 2000 | 187 | 千头 | 2026-9 |
| 1999 | 153 | 千头 | 2026-9 |
| 1998 | 150 | 千头 | 2026-9 |
| 1997 | 198 | 千头 | 2026-9 |
| 1996 | 226 | 千头 | 2026-9 |
| 1995 | 209 | 千头 | 2026-9 |
| 1994 | 191 | 千头 | 2026-9 |
| 1993 | 158 | 千头 | 2026-9 |
| 1992 | 186 | 千头 | 2026-9 |
| 1991 | 223 | 千头 | 2026-9 |
| 1990 | 192 | 千头 | 2026-9 |
| 1989 | 182 | 千头 | 2026-9 |
| 1988 | 207 | 千头 | 2026-9 |
| 1987 | 266 | 千头 | 2026-9 |
| 1986 | 100 | 千头 | 2026-9 |
| 1985 | 140 | 千头 | 2026-9 |
| 1984 | 203 | 千头 | 2026-9 |
| 1983 | 320 | 千头 | 2026-9 |
| 1982 | 180 | 千头 | 2026-9 |
| 1981 | 176 | 千头 | 2026-9 |
| 1980 | 176 | 千头 | 2026-9 |
| 1979 | 182 | 千头 | 2026-9 |
| 1978 | 181 | 千头 | 2026-9 |
| 1977 | 174 | 千头 | 2026-9 |
| 1976 | 110 | 千头 | 2026-9 |
| 1975 | 97 | 千头 | 2026-9 |
| 1974 | 90 | 千头 | 2026-9 |
| 1973 | 87 | 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 |