| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2014 | 85 | 千头 | 2026-9 |
| 2013 | 236 | 千头 | 2026-9 |
| 2012 | 299 | 千头 | 2026-9 |
| 2011 | 61 | 千头 | 2026-9 |
| 2010 | 24 | 千头 | 2026-9 |
| 2009 | 5 | 千头 | 2026-9 |
| 2008 | 9 | 千头 | 2026-9 |
| 2007 | 136 | 千头 | 2026-9 |
| 2006 | 245 | 千头 | 2026-9 |
| 2005 | 129 | 千头 | 2026-9 |
| 2004 | 300 | 千头 | 2026-9 |
| 2003 | 0 | 千头 | 2026-9 |
| 2002 | 0 | 千头 | 2026-9 |
| 2001 | 4 | 千头 | 2026-9 |
| 2000 | 0 | 千头 | 2026-9 |
| 1999 | 3 | 千头 | 2026-9 |
| 1998 | 49 | 千头 | 2026-9 |
| 1997 | 20 | 千头 | 2026-9 |
| 1996 | 8 | 千头 | 2026-9 |
| 1995 | 5 | 千头 | 2026-9 |
| 1994 | 8 | 千头 | 2026-9 |
| 1993 | 6 | 千头 | 2026-9 |
| 1992 | 58 | 千头 | 2026-9 |
| 1991 | 89 | 千头 | 2026-9 |
| 1990 | 10 | 千头 | 2026-9 |
| 1989 | 10 | 千头 | 2026-9 |
| 1988 | 40 | 千头 | 2026-9 |
| 1987 | 110 | 千头 | 2026-9 |
| 1986 | 141 | 千头 | 2026-9 |
| 1985 | 160 | 千头 | 2026-9 |
| 1984 | 160 | 千头 | 2026-9 |
| 1983 | 210 | 千头 | 2026-9 |
| 1982 | 231 | 千头 | 2026-9 |
| 1981 | 243 | 千头 | 2026-9 |
| 1980 | 230 | 千头 | 2026-9 |
| 1979 | 240 | 千头 | 2026-9 |
| 1978 | 248 | 千头 | 2026-9 |
| 1977 | 270 | 千头 | 2026-9 |
| 1976 | 310 | 千头 | 2026-9 |
| 1975 | 299 | 千头 | 2026-9 |
| 1974 | 187 | 千头 | 2026-9 |
| 1973 | 181 | 千头 | 2026-9 |
| 1972 | 230 | 千头 | 2026-9 |
| 1971 | 276 | 千头 | 2026-9 |
| 1970 | 278 | 千头 | 2026-9 |
| 1969 | 180 | 千头 | 2026-9 |
| 1968 | 10 | 千头 | 2026-9 |
| 1967 | 8 | 千头 | 2026-9 |
| 1966 | 46 | 千头 | 2026-9 |
| 1965 | 57 | 千头 | 2026-9 |
| 1964 | 3 | 千头 | 2026-9 |
| 1963 | 2 | 千头 | 2026-9 |
| 1962 | 1 | 千头 | 2026-9 |
| 1961 | 0 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |