| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2014 | 6600 | 千头 | 2026-9 |
| 2013 | 6650 | 千头 | 2026-9 |
| 2012 | 6700 | 千头 | 2026-9 |
| 2011 | 6800 | 千头 | 2026-9 |
| 2010 | 6900 | 千头 | 2026-9 |
| 2009 | 7900 | 千头 | 2026-9 |
| 2008 | 8000 | 千头 | 2026-9 |
| 2007 | 7500 | 千头 | 2026-9 |
| 2006 | 7000 | 千头 | 2026-9 |
| 2005 | 8200 | 千头 | 2026-9 |
| 2004 | 7300 | 千头 | 2026-9 |
| 2003 | 7400 | 千头 | 2026-9 |
| 2002 | 7000 | 千头 | 2026-9 |
| 2001 | 7225 | 千头 | 2026-9 |
| 2000 | 7150 | 千头 | 2026-9 |
| 1999 | 7100 | 千头 | 2026-9 |
| 1998 | 7100 | 千头 | 2026-9 |
| 1997 | 7090 | 千头 | 2026-9 |
| 1996 | 7020 | 千头 | 2026-9 |
| 1995 | 6950 | 千头 | 2026-9 |
| 1994 | 6880 | 千头 | 2026-9 |
| 1993 | 6800 | 千头 | 2026-9 |
| 1992 | 6740 | 千头 | 2026-9 |
| 1991 | 6680 | 千头 | 2026-9 |
| 1990 | 6715 | 千头 | 2026-9 |
| 1989 | 6650 | 千头 | 2026-9 |
| 1988 | 6592 | 千头 | 2026-9 |
| 1987 | 6600 | 千头 | 2026-9 |
| 1986 | 6635 | 千头 | 2026-9 |
| 1985 | 7095 | 千头 | 2026-9 |
| 1984 | 7209 | 千头 | 2026-9 |
| 1983 | 7350 | 千头 | 2026-9 |
| 1982 | 7480 | 千头 | 2026-9 |
| 1981 | 9028 | 千头 | 2026-9 |
| 1980 | 8886 | 千头 | 2026-9 |
| 1979 | 9173 | 千头 | 2026-9 |
| 1978 | 8220 | 千头 | 2026-9 |
| 1977 | 8223 | 千头 | 2026-9 |
| 1976 | 8323 | 千头 | 2026-9 |
| 1975 | 8736 | 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 |