| 年度 | 数值 | 单位 | 发布日期 |
| 2007 | 1100 | 千头 | 2026-9 |
| 2006 | 1102 | 千头 | 2026-9 |
| 2005 | 1105 | 千头 | 2026-9 |
| 2004 | 1150 | 千头 | 2026-9 |
| 2003 | 1190 | 千头 | 2026-9 |
| 2002 | 1141 | 千头 | 2026-9 |
| 2001 | 1180 | 千头 | 2026-9 |
| 2000 | 1045 | 千头 | 2026-9 |
| 1999 | 1015 | 千头 | 2026-9 |
| 1998 | 1030 | 千头 | 2026-9 |
| 1997 | 1230 | 千头 | 2026-9 |
| 1996 | 1064 | 千头 | 2026-9 |
| 1995 | 870 | 千头 | 2026-9 |
| 1994 | 880 | 千头 | 2026-9 |
| 1993 | 843 | 千头 | 2026-9 |
| 1992 | 839 | 千头 | 2026-9 |
| 1991 | 799 | 千头 | 2026-9 |
| 1990 | 815 | 千头 | 2026-9 |
| 1989 | 789 | 千头 | 2026-9 |
| 1988 | 785 | 千头 | 2026-9 |
| 1987 | 668 | 千头 | 2026-9 |
| 1986 | 500 | 千头 | 2026-9 |
| 1985 | 580 | 千头 | 2026-9 |
| 1984 | 560 | 千头 | 2026-9 |
| 1983 | 613 | 千头 | 2026-9 |
| 1982 | 654 | 千头 | 2026-9 |
| 1981 | 671 | 千头 | 2026-9 |
| 1980 | 689 | 千头 | 2026-9 |
| 1979 | 695 | 千头 | 2026-9 |
| 1978 | 597 | 千头 | 2026-9 |
| 1977 | 650 | 千头 | 2026-9 |
| 1976 | 694 | 千头 | 2026-9 |
| 1975 | 716 | 千头 | 2026-9 |
| 1974 | 934 | 千头 | 2026-9 |
| 1973 | 1040 | 千头 | 2026-9 |
| 1972 | 977 | 千头 | 2026-9 |
| 1971 | 930 | 千头 | 2026-9 |
| 1970 | 891 | 千头 | 2026-9 |
| 1969 | 889 | 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 |