| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2002 | 170 | 千头 | 2026-9 |
| 2001 | 172 | 千头 | 2026-9 |
| 2000 | 173 | 千头 | 2026-9 |
| 1999 | 177 | 千头 | 2026-9 |
| 1998 | 180 | 千头 | 2026-9 |
| 1997 | 190 | 千头 | 2026-9 |
| 1996 | 208 | 千头 | 2026-9 |
| 1995 | 225 | 千头 | 2026-9 |
| 1994 | 265 | 千头 | 2026-9 |
| 1993 | 279 | 千头 | 2026-9 |
| 1992 | 268 | 千头 | 2026-9 |
| 1991 | 290 | 千头 | 2026-9 |
| 1990 | 272 | 千头 | 2026-9 |
| 1989 | 258 | 千头 | 2026-9 |
| 1988 | 255 | 千头 | 2026-9 |
| 1987 | 230 | 千头 | 2026-9 |
| 1986 | 221 | 千头 | 2026-9 |
| 1985 | 380 | 千头 | 2026-9 |
| 1984 | 229 | 千头 | 2026-9 |
| 1983 | 177 | 千头 | 2026-9 |
| 1982 | 115 | 千头 | 2026-9 |
| 1981 | 200 | 千头 | 2026-9 |
| 1980 | 167 | 千头 | 2026-9 |
| 1979 | 340 | 千头 | 2026-9 |
| 1978 | 341 | 千头 | 2026-9 |
| 1977 | 465 | 千头 | 2026-9 |
| 1976 | 291 | 千头 | 2026-9 |
| 1975 | 288 | 千头 | 2026-9 |
| 1974 | 0 | 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 |