| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2014 | 3200 | 千头 | 2026-9 |
| 2013 | 3400 | 千头 | 2026-9 |
| 2012 | 3200 | 千头 | 2026-9 |
| 2011 | 3150 | 千头 | 2026-9 |
| 2010 | 3400 | 千头 | 2026-9 |
| 2009 | 5450 | 千头 | 2026-9 |
| 2008 | 5670 | 千头 | 2026-9 |
| 2007 | 4850 | 千头 | 2026-9 |
| 2006 | 3750 | 千头 | 2026-9 |
| 2005 | 6800 | 千头 | 2026-9 |
| 2004 | 5300 | 千头 | 2026-9 |
| 2003 | 5500 | 千头 | 2026-9 |
| 2002 | 4500 | 千头 | 2026-9 |
| 2001 | 5000 | 千头 | 2026-9 |
| 2000 | 4900 | 千头 | 2026-9 |
| 1999 | 4950 | 千头 | 2026-9 |
| 1998 | 4950 | 千头 | 2026-9 |
| 1997 | 4935 | 千头 | 2026-9 |
| 1996 | 4846 | 千头 | 2026-9 |
| 1995 | 5120 | 千头 | 2026-9 |
| 1994 | 4510 | 千头 | 2026-9 |
| 1993 | 4440 | 千头 | 2026-9 |
| 1992 | 4820 | 千头 | 2026-9 |
| 1991 | 4845 | 千头 | 2026-9 |
| 1990 | 4519 | 千头 | 2026-9 |
| 1989 | 4068 | 千头 | 2026-9 |
| 1988 | 4018 | 千头 | 2026-9 |
| 1987 | 3833 | 千头 | 2026-9 |
| 1986 | 3755 | 千头 | 2026-9 |
| 1985 | 3735 | 千头 | 2026-9 |
| 1984 | 4495 | 千头 | 2026-9 |
| 1983 | 4694 | 千头 | 2026-9 |
| 1982 | 4984 | 千头 | 2026-9 |
| 1981 | 5028 | 千头 | 2026-9 |
| 1980 | 5070 | 千头 | 2026-9 |
| 1979 | 5000 | 千头 | 2026-9 |
| 1978 | 4892 | 千头 | 2026-9 |
| 1977 | 4712 | 千头 | 2026-9 |
| 1976 | 4787 | 千头 | 2026-9 |
| 1975 | 4602 | 千头 | 2026-9 |
| 1974 | 4453 | 千头 | 2026-9 |
| 1973 | 4307 | 千头 | 2026-9 |
| 1972 | 3028 | 千头 | 2026-9 |
| 1971 | 4476 | 千头 | 2026-9 |
| 1970 | 4402 | 千头 | 2026-9 |
| 1969 | 4169 | 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 |