| 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 | 2008 | 0.00 |
| 2 | 2007 | 0.00 |
| 3 | 2006 | 0.01 |
| 4 | 2003 | 0.00 |
| 5 | 1999 | 0.00 |
| 6 | 1995 | 85.07 |
| 7 | 1994 | 80.85 |
| 8 | 1993 | 88.88 |
| 9 | 1992 | 91.21 |
| 10 | 1991 | 95.96 |
| 11 | 1990 | 96.51 |
| 12 | 1989 | 95.02 |
| 13 | 1988 | 95.08 |
| 14 | 1987 | 95.62 |
| 15 | 1986 | 93.55 |
| 16 | 1985 | 68.86 |
| 17 | 1984 | 98.35 |
| 18 | 1983 | 98.36 |
| 19 | 1982 | 98.58 |
| 20 | 1981 | 97.70 |
| 21 | 1980 | 98.41 |
| 22 | 1979 | 98.55 |
| 23 | 1977 | 96.66 |
| 24 | 1976 | 95.78 |
| 25 | 1975 | 96.63 |
| 26 | 1974 | 96.77 |
| 27 | 1973 | 92.37 |
| 28 | 1972 | 94.18 |
| 29 | 1971 | 95.38 |
| 30 | 1970 | 93.90 |
| 31 | 1969 | 93.42 |
| 32 | 1968 | 95.77 |
| 33 | 1967 | 96.20 |
| 34 | 1966 | 95.21 |
| 35 | 1965 | 96.27 |
| 36 | 1964 | 97.46 |
| 37 | 1963 | 98.46 |
| 38 | 1962 | 98.25 |
图表颜色：
图表起止时间： - （拖动下面左右滑块改变图表起始时间）
