| 序号 | 时间 (年) |
数据 (千头) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 12.00 |
| 8 | 2018 | 8.00 |
| 9 | 2017 | 9.00 |
| 10 | 2016 | 14.00 |
| 11 | 1992 | 81.00 |
| 12 | 1991 | 89.00 |
| 13 | 1990 | 123.00 |
| 14 | 1989 | 124.00 |
| 15 | 1988 | 179.00 |
| 16 | 1987 | 152.00 |
| 17 | 1986 | 232.00 |
| 18 | 1985 | 221.00 |
| 19 | 1984 | 216.00 |
| 20 | 1983 | 191.00 |
| 21 | 1982 | 137.00 |
| 22 | 1981 | 137.00 |
| 23 | 1980 | 230.00 |
| 24 | 1979 | 220.00 |
| 25 | 1978 | 353.00 |
| 26 | 1977 | 304.00 |
| 27 | 1976 | 230.00 |
| 28 | 1975 | 504.00 |
| 29 | 1974 | 384.00 |
| 30 | 1973 | 343.00 |
| 31 | 1972 | 494.00 |
| 32 | 1971 | 620.00 |
| 33 | 1970 | 524.00 |
| 34 | 1969 | 554.00 |
| 35 | 1968 | 621.00 |
| 36 | 1967 | 650.00 |
| 37 | 1966 | 567.00 |
| 38 | 1965 | 511.00 |
| 39 | 1964 | 707.00 |
| 40 | 1963 | 639.00 |
| 41 | 1962 | 568.00 |
| 42 | 1961 | 692.00 |
