| 年度 | 数值 | 单位 | 发布日期 |
| 2014 | 465 | 千头 | 2026-9 |
| 2013 | 614 | 千头 | 2026-9 |
| 2012 | 896 | 千头 | 2026-9 |
| 2011 | 847 | 千头 | 2026-9 |
| 2010 | 2004 | 千头 | 2026-9 |
| 2009 | 600 | 千头 | 2026-9 |
| 2008 | 773 | 千头 | 2026-9 |
| 2007 | 503 | 千头 | 2026-9 |
| 2006 | 1003 | 千头 | 2026-9 |
| 2005 | 359 | 千头 | 2026-9 |
| 2004 | 587 | 千头 | 2026-9 |
| 2003 | 414 | 千头 | 2026-9 |
| 2002 | 902 | 千头 | 2026-9 |
| 2001 | 819 | 千头 | 2026-9 |
| 2000 | 885 | 千头 | 2026-9 |
| 1999 | 879 | 千头 | 2026-9 |
| 1998 | 836 | 千头 | 2026-9 |
| 1997 | 779 | 千头 | 2026-9 |
| 1996 | 792 | 千头 | 2026-9 |
| 1995 | 865 | 千头 | 2026-9 |
| 1994 | 983 | 千头 | 2026-9 |
| 1993 | 797 | 千头 | 2026-9 |
| 1992 | 738 | 千头 | 2026-9 |
| 1991 | 707 | 千头 | 2026-9 |
| 1990 | 940 | 千头 | 2026-9 |
| 1989 | 977 | 千头 | 2026-9 |
| 1988 | 1058 | 千头 | 2026-9 |
| 1987 | 796 | 千头 | 2026-9 |
| 1986 | 1193 | 千头 | 2026-9 |
| 1985 | 1333 | 千头 | 2026-9 |
| 1984 | 1356 | 千头 | 2026-9 |
| 1983 | 1231 | 千头 | 2026-9 |
| 1982 | 1399 | 千头 | 2026-9 |
| 1981 | 1371 | 千头 | 2026-9 |
| 1980 | 1572 | 千头 | 2026-9 |
| 1979 | 1100 | 千头 | 2026-9 |
| 1978 | 1310 | 千头 | 2026-9 |
| 1977 | 1278 | 千头 | 2026-9 |
| 1976 | 1256 | 千头 | 2026-9 |
| 1975 | 1233 | 千头 | 2026-9 |
| 1974 | 1192 | 千头 | 2026-9 |
| 1973 | 1152 | 千头 | 2026-9 |
| 1972 | 1212 | 千头 | 2026-9 |
| 1971 | 1202 | 千头 | 2026-9 |
| 1970 | 1185 | 千头 | 2026-9 |
| 1969 | 1275 | 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 |