4-36 ����ʧҵ������ʧҵ�� |
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| �� �� | ����ʧҵ���� | # Ů �� | Ů��ռʧҵ���� | ʧҵ��(%) |
| (����) | �İٷֱȣ����� | |||
| 1978 | 52.00 | 30.00 | 57.7 | 10.9 |
| 1979 | 33.00 | 18.51 | 56.1 | 6.7 |
| 1980 | 28.00 | 15.60 | 55.7 | 5.0 |
| 1981 | 25.00 | 13.50 | 54.0 | 4.4 |
| 1982 | 16.90 | 9.00 | 53.3 | 3.0 |
| 1983 | 18.10 | 9.61 | 53.1 | 3.0 |
| 1984 | 15.84 | 8.40 | 53.0 | 2.7 |
| 1985 | 14.35 | 7.47 | 52.1 | 2.3 |
| 1986 | 14.44 | 7.51 | 52.0 | 2.3 |
| 1987 | 14.53 | 7.56 | 52.0 | 2.2 |
| 1988 | 16.75 | 8.65 | 51.6 | 2.4 |
| 1989 | 25.63 | 14.65 | 57.2 | 3.7 |
| 1990 | 26.61 | 14.86 | 55.8 | 3.7 |
| 1991 | 25.17 | 14.04 | 55.8 | 3.4 |
| 1992 | 27.16 | 15.24 | 56.1 | 3.6 |
| 1993 | 26.47 | 14.50 | 54.8 | 3.5 |
| 1994 | 27.65 | 15.79 | 57.1 | 3.6 |
| 1995 | 27.94 | 15.44 | 55.3 | 3.6 |
| 1996 | 27.16 | 14.55 | 53.6 | 3.5 |
| 1997 | 26.72 | 14.43 | 54.0 | 3.4 |
| 1998 | 30.18 | 16.04 | 53.1 | 3.7 |
| 1999 | 29.59 | 15.11 | 51.1 | 3.7 |