| 年度 | 数值 | 单位 | 发布日期 |
| 2007 | 0 | 千头 | 2026-9 |
| 2006 | 0 | 千头 | 2026-9 |
| 2005 | 0 | 千头 | 2026-9 |
| 2004 | 0 | 千头 | 2026-9 |
| 2003 | 0 | 千头 | 2026-9 |
| 2002 | 0 | 千头 | 2026-9 |
| 2001 | 0 | 千头 | 2026-9 |
| 2000 | 0 | 千头 | 2026-9 |
| 1999 | 0 | 千头 | 2026-9 |
| 1998 | 0 | 千头 | 2026-9 |
| 1997 | 0 | 千头 | 2026-9 |
| 1996 | 0 | 千头 | 2026-9 |
| 1995 | 0 | 千头 | 2026-9 |
| 1994 | 0 | 千头 | 2026-9 |
| 1993 | 516 | 千头 | 2026-9 |
| 1992 | 506 | 千头 | 2026-9 |
| 1991 | 527 | 千头 | 2026-9 |
| 1990 | 517 | 千头 | 2026-9 |
| 1989 | 510 | 千头 | 2026-9 |
| 1988 | 489 | 千头 | 2026-9 |
| 1987 | 479 | 千头 | 2026-9 |
| 1986 | 399 | 千头 | 2026-9 |
| 1985 | 355 | 千头 | 2026-9 |
| 1984 | 390 | 千头 | 2026-9 |
| 1983 | 382 | 千头 | 2026-9 |
| 1982 | 371 | 千头 | 2026-9 |
| 1981 | 347 | 千头 | 2026-9 |
| 1980 | 342 | 千头 | 2026-9 |
| 1979 | 308 | 千头 | 2026-9 |
| 1978 | 377 | 千头 | 2026-9 |
| 1977 | 312 | 千头 | 2026-9 |
| 1976 | 376 | 千头 | 2026-9 |
| 1975 | 406 | 千头 | 2026-9 |
| 1974 | 261 | 千头 | 2026-9 |
| 1973 | 545 | 千头 | 2026-9 |
| 1972 | 169 | 千头 | 2026-9 |
| 1971 | 173 | 千头 | 2026-9 |
| 1970 | 175 | 千头 | 2026-9 |
| 1969 | 276 | 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 |