| 年度 | 数值 | 单位 | 发布日期 |
| 2004 | 1800 | 千头 | 2026-9 |
| 2003 | 1900 | 千头 | 2026-9 |
| 2002 | 1915 | 千头 | 2026-9 |
| 2001 | 1919 | 千头 | 2026-9 |
| 2000 | 1994 | 千头 | 2026-9 |
| 1999 | 1794 | 千头 | 2026-9 |
| 1998 | 1878 | 千头 | 2026-9 |
| 1997 | 1974 | 千头 | 2026-9 |
| 1996 | 1550 | 千头 | 2026-9 |
| 1995 | 1650 | 千头 | 2026-9 |
| 1994 | 1750 | 千头 | 2026-9 |
| 1993 | 1778 | 千头 | 2026-9 |
| 1992 | 1749 | 千头 | 2026-9 |
| 1991 | 1602 | 千头 | 2026-9 |
| 1990 | 1823 | 千头 | 2026-9 |
| 1989 | 1543 | 千头 | 2026-9 |
| 1988 | 1412 | 千头 | 2026-9 |
| 1987 | 1292 | 千头 | 2026-9 |
| 1986 | 1502 | 千头 | 2026-9 |
| 1985 | 1596 | 千头 | 2026-9 |
| 1984 | 1522 | 千头 | 2026-9 |
| 1983 | 1713 | 千头 | 2026-9 |
| 1982 | 1789 | 千头 | 2026-9 |
| 1981 | 1713 | 千头 | 2026-9 |
| 1980 | 1772 | 千头 | 2026-9 |
| 1979 | 1714 | 千头 | 2026-9 |
| 1978 | 1566 | 千头 | 2026-9 |
| 1977 | 1427 | 千头 | 2026-9 |
| 1976 | 1447 | 千头 | 2026-9 |
| 1975 | 1398 | 千头 | 2026-9 |
| 1974 | 1328 | 千头 | 2026-9 |
| 1973 | 1320 | 千头 | 2026-9 |
| 1972 | 953 | 千头 | 2026-9 |
| 1971 | 1272 | 千头 | 2026-9 |
| 1970 | 1195 | 千头 | 2026-9 |
| 1969 | 1161 | 千头 | 2026-9 |
| 1968 | 1049 | 千头 | 2026-9 |
| 1967 | 1024 | 千头 | 2026-9 |
| 1966 | 994 | 千头 | 2026-9 |
| 1965 | 915 | 千头 | 2026-9 |
| 1964 | 896 | 千头 | 2026-9 |
| 1963 | 826 | 千头 | 2026-9 |
| 1962 | 782 | 千头 | 2026-9 |
| 1961 | 773 | 千头 | 2026-9 |
| 1960 | 707 | 千头 | 2026-9 |