| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2007 | 2173 | 千头 | 2026-9 |
| 2006 | 2335 | 千头 | 2026-9 |
| 2005 | 2130 | 千头 | 2026-9 |
| 2004 | 2445 | 千头 | 2026-9 |
| 2003 | 828 | 千头 | 2026-9 |
| 2002 | 851 | 千头 | 2026-9 |
| 2001 | 1211 | 千头 | 2026-9 |
| 2000 | 490 | 千头 | 2026-9 |
| 1999 | 168 | 千头 | 2026-9 |
| 1998 | 782 | 千头 | 2026-9 |
| 1997 | 4251 | 千头 | 2026-9 |
| 1996 | 2325 | 千头 | 2026-9 |
| 1995 | 2310 | 千头 | 2026-9 |
| 1994 | 1516 | 千头 | 2026-9 |
| 1993 | 1493 | 千头 | 2026-9 |
| 1992 | 1497 | 千头 | 2026-9 |
| 1991 | 1083 | 千头 | 2026-9 |
| 1990 | 955 | 千头 | 2026-9 |
| 1989 | 735 | 千头 | 2026-9 |
| 1988 | 697 | 千头 | 2026-9 |
| 1987 | 15 | 千头 | 2026-9 |
| 1986 | 611 | 千头 | 2026-9 |
| 1985 | 451 | 千头 | 2026-9 |
| 1984 | 684 | 千头 | 2026-9 |
| 1983 | 1098 | 千头 | 2026-9 |
| 1982 | 238 | 千头 | 2026-9 |
| 1981 | 235 | 千头 | 2026-9 |
| 1980 | 228 | 千头 | 2026-9 |
| 1979 | 211 | 千头 | 2026-9 |
| 1978 | 211 | 千头 | 2026-9 |
| 1977 | 213 | 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 |