�˾�ռ����ҫũ��ʒ���� |
��λ��ǧ��/�� |
��� |
��ʳ���� |
������ |
���ϲ��� |
������ |
��ţ���� |
ˮ��ʒ |
1952 |
270.0 |
2.5 |
5.9 |
0.24 |
4.6 |
|
1957 |
257.0 |
3.7 |
6.1 |
0.34 |
6.9 |
|
1962 |
225.0 |
1.9 |
2.4 |
0.22 |
4.5 |
|
1965 |
316.0 |
5.8 |
4.8 |
0.46 |
5.5 |
|
1970 |
329.0 |
6.4 |
4.2 |
0.50 |
5.2 |
|
1975 |
367.0 |
8.1 |
5.3 |
0.60 |
6.5 |
|
1978 |
414.0 |
8.2 |
6.5 |
0.60 |
6.9 |
|
1980 |
408.5 |
7.1 |
6.6 |
0.70 |
18.1 |
7.2 |
1985 |
505.0 |
7.8 |
17.6 |
0.64 |
22.4 |
10.9 |
1990 |
486.0 |
6.9 |
16.7 |
0.59 |
23.6 |
17.6 |
1991 |
446.1 |
8.2 |
16.8 |
0.59 |
24.0 |
17.3 |
1992 |
482.8 |
7.7 |
18.5 |
0.61 |
25.1 |
19.6 |
1993 |
472.6 |
6.2 |
18.1 |
0.62 |
25.8 |
22.7 |
1994 |
446.7 |
6.5 |
19.1 |
0.65 |
28.5 |
25.8 |
1995 |
466.6 |
8.0 |
22.6 |
0.69 |
30.9 |
31.2 |
1996 |
490.4 |
7.6 |
20.8 |
0.51 |
24.7 |
34.7 |
1997 |
499.9 |
7.1 |
19.9 |
0.57 |
26.2 |
37.3 |
1998 |
476.6 |
6.4 |
16.1 |
0.63 |
29.2 |
39.4 |
1999 |
494.5 |
3.4 |
25.6 |
0.63 |
29.9 |
41.2 |
2000 |
427.3 | 4.3 | 31.0 | 0.66 | 31.3 | 42.5 |
2001 |
400.8 |
6.3 |
31.7 |
0.67 |
32.2 |
43.7 |
| ע����1996�꿪ʼ����ҵ�й�������ũҵ�ղ�ӹ죬��с���������� |