| 序号 | 时间(年) | 单位:% |
|---|---|---|
| 注:时间后面标注“E”其对应的值为系统根据历史数据预测所得,仅供参考。 | ||
| 1 | 1997 | 83.96 |
| 2 | 1996 | 76.68 |
| 3 | 1995 | 62.11 |
| 4 | 1994 | 75.02 |
| 5 | 1993 | 84.45 |
| 6 | 1992 | 82.62 |
| 7 | 1991 | 84.74 |
| 8 | 1990 | 85.28 |
| 9 | 1989 | 69.31 |
| 10 | 1988 | 73.16 |
| 11 | 1981 | 68.26 |
| 12 | 1979 | 47.95 |
| 13 | 1978 | 36.78 |
| 14 | 1977 | 32.63 |
| 15 | 1976 | 35.48 |
| 16 | 1975 | 37.89 |
| 17 | 1974 | 34.96 |
| 18 | 1973 | 28.17 |
| 19 | 1972 | 27.35 |
| 20 | 1971 | 25.68 |
| 21 | 1970 | 23.68 |
