1988
20.8
14.9
17.4
15.3
50.2
140
461
755
291
64.9
39.7
28.1
1989
26.9
17.5
15.6
13.1
26.8
64.5
393
286
423
92.8
32.8
22.1
1990
18.0
18.4
18.8
17.4
52.1
131
407
483
364
231
90.4
41.8
1991
26.4
9.79
8.29
12.8
29.9
177
415
436
375
144
50.0
26.3
1992
18.4
15.6
10.7
8.76
16.5
92.2
316
356
261
180
41.7
24.3
1993
18.4
15.3
14.9
21.2
28.1
109
793
811
465
205
75.6
41.6
1995
12.8
12.0
9.55
7.83
37.0
175
336
365
162
80.4
53.3
28.6























































































































































































































































