| 序号 | 时间 (年) |
数据 (千头) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 517.00 |
| 8 | 2018 | 547.00 |
| 9 | 2017 | 532.00 |
| 10 | 2016 | 523.00 |
| 11 | 1992 | 311.00 |
| 12 | 1991 | 278.00 |
| 13 | 1990 | 346.00 |
| 14 | 1989 | 236.00 |
| 15 | 1988 | 263.00 |
| 16 | 1987 | 300.00 |
| 17 | 1986 | 393.00 |
| 18 | 1985 | 200.00 |
| 19 | 1984 | 200.00 |
| 20 | 1983 | 378.00 |
| 21 | 1982 | 609.00 |
| 22 | 1981 | 285.00 |
| 23 | 1980 | 465.00 |
| 24 | 1979 | 530.00 |
| 25 | 1978 | 519.00 |
| 26 | 1977 | 591.00 |
| 27 | 1976 | 381.00 |
| 28 | 1975 | 858.00 |
| 29 | 1974 | 674.00 |
