| ��¼6 �ҹ�ũҵ��Ҫ��Ʒ����������λ�εı仯 | ||||||||
| ��Ŀ | 1949 | 1978 | 1980 | 1985 | 1990 | 1995 | 1997 | 1998 |
| �� �� | 2 | 1 | 2 | 1 | 1 | 1 | 1 | |
| �� ��� | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 |
| �� �� | 4 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| �� �� | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| �� �� | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| �Ͳ��� | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| �� �� | 9 | 9 | 4 | 4 | 3 | 3 | 3 | |
| �� Ҷ | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| ˮ �� | 10 | 8 | 4 | 1 | 1 | 1 | ||
| ����������Դ: ���Ϲ���ũ��֯���ݿ⡣ | ||||||||
| ע����1993����ǰΪ����ţ�����������λ�Ρ� | ||||||||