9-6 �������εط����غ�ũҵ�������� |
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| �� �� | ������� | ������ | ����ʩ���� | ũ���õ��� | ũҵ��е�ܶ��� |
| (����) | (����) | (�۴�����֣� | (��ǧ��ʱ) | (��ǧ��) | |
| 1978 | 51.52 | 15.47 | 3.44 | 8 691 | 27.11 |
| 1980 | 51.84 | 16.17 | 3.12 | 9 001 | 37.21 |
| 1985 | 50.32 | 15.96 | 3.34 | 14 139 | 53.88 |
| 1990 | 50.00 | 15.32 | 4.75 | 22 770 | 78.58 |
| 1991 | 50.01 | 15.39 | 5.15 | 22 003 | 82.39 |
| 1992 | 50.90 | 15.59 | 5.61 | 22 578 | 87.34 |
| 1993 | 50.95 | 15.79 | 5.87 | 23 675 | 92.73 |
| 1994 | 50.94 | 15.79 | 6.33 | 23 269 | 103.92 |
| 1995 | 50.97 | 15.90 | 6.83 | 28 394 | 109.30 |
| 1996 | 51.45 | 16.06 | 7.53 | 32 542 | 112.00 |
| 1997 | 51.56 | 15.21 | 9.77 | 35 458 | 119.00 |
| 1998 | 51.12 | 15.73 | 10.64 | 35 448 | 134.00 |
| 1999 | 50.74 | 15.24 | 11.12 | 41 828 | 135.00 |