| 年度 | 数值 | 单位 | 发布日期 |
| 2004 | 0 | 千头 | 2026-9 |
| 2003 | 0 | 千头 | 2026-9 |
| 2002 | 1050 | 千头 | 2026-9 |
| 2001 | 1050 | 千头 | 2026-9 |
| 2000 | 1060 | 千头 | 2026-9 |
| 1999 | 1100 | 千头 | 2026-9 |
| 1998 | 1200 | 千头 | 2026-9 |
| 1997 | 1200 | 千头 | 2026-9 |
| 1996 | 1200 | 千头 | 2026-9 |
| 1995 | 1278 | 千头 | 2026-9 |
| 1994 | 1429 | 千头 | 2026-9 |
| 1993 | 1524 | 千头 | 2026-9 |
| 1992 | 1480 | 千头 | 2026-9 |
| 1991 | 1372 | 千头 | 2026-9 |
| 1990 | 1335 | 千头 | 2026-9 |
| 1989 | 1155 | 千头 | 2026-9 |
| 1988 | 1163 | 千头 | 2026-9 |
| 1987 | 1430 | 千头 | 2026-9 |
| 1986 | 1370 | 千头 | 2026-9 |
| 1985 | 1345 | 千头 | 2026-9 |
| 1984 | 2276 | 千头 | 2026-9 |
| 1983 | 1232 | 千头 | 2026-9 |
| 1982 | 1171 | 千头 | 2026-9 |
| 1981 | 1171 | 千头 | 2026-9 |
| 1980 | 1161 | 千头 | 2026-9 |
| 1979 | 1175 | 千头 | 2026-9 |
| 1978 | 1147 | 千头 | 2026-9 |
| 1977 | 1149 | 千头 | 2026-9 |
| 1976 | 1023 | 千头 | 2026-9 |
| 1975 | 989 | 千头 | 2026-9 |
| 1974 | 1105 | 千头 | 2026-9 |
| 1973 | 3395 | 千头 | 2026-9 |
| 1972 | 3350 | 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 |