| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2002 | 287 | 千头 | 2026-9 |
| 2001 | 287 | 千头 | 2026-9 |
| 2000 | 287 | 千头 | 2026-9 |
| 1999 | 307 | 千头 | 2026-9 |
| 1998 | 340 | 千头 | 2026-9 |
| 1997 | 320 | 千头 | 2026-9 |
| 1996 | 412 | 千头 | 2026-9 |
| 1995 | 421 | 千头 | 2026-9 |
| 1994 | 434 | 千头 | 2026-9 |
| 1993 | 463 | 千头 | 2026-9 |
| 1992 | 475 | 千头 | 2026-9 |
| 1991 | 479 | 千头 | 2026-9 |
| 1990 | 491 | 千头 | 2026-9 |
| 1989 | 675 | 千头 | 2026-9 |
| 1988 | 660 | 千头 | 2026-9 |
| 1987 | 645 | 千头 | 2026-9 |
| 1986 | 561 | 千头 | 2026-9 |
| 1985 | 565 | 千头 | 2026-9 |
| 1984 | 544 | 千头 | 2026-9 |
| 1983 | 560 | 千头 | 2026-9 |
| 1982 | 560 | 千头 | 2026-9 |
| 1981 | 555 | 千头 | 2026-9 |
| 1980 | 540 | 千头 | 2026-9 |
| 1979 | 530 | 千头 | 2026-9 |
| 1978 | 516 | 千头 | 2026-9 |
| 1977 | 577 | 千头 | 2026-9 |
| 1976 | 0 | 千头 | 2026-9 |
| 1975 | 0 | 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 |