1964
24.8
18.3
15.3
15.3
20.7
54.7
370
534
487
205
154
38.5
1965
49.7
36.5
35.1
14
4.32
73.5
235
423
195
92.4
43.3
28.5
1966
23.9
20.9
15.7
10
5.47
80.7
261
455
188
57.3
31.1
25
1967
20.6
15.9
14.9
15.2
6.41
67.8
285
366
363
109
43.4
29.6
1968
28.3
23.8
18.8
11.2
3.50
138
358
709
251
216
56.3
35.7
1969
28.8
22.7
19.4
13.4
10.1
50.7
160
622
516
161
62.9
35.2
1970
29.3
24.4
15
8.62
9.72
243
599
473
337
225
62
35.6
1971
27.3
22.6
20.6
57.5
47.9
220
458
559
334
178
93
44.3
1972
29.7
28.6
21
12.8
4.81
45.9
302
192
287
101
48.6
29.4
1973
44.6
28.7
28
13.2
17.9
324
356
520
530
471
124
49.9
1974
33.5
27.5
21.4
16.4
9.85
26
316
483
230
126
50.6
33.1
1975
28.9
24.8
19.5
14
8.05
108
516
587
514
266
70.2
42.4
1976
30.4
24.9
18.6
15.4
20.8
50.8
301
381
445
114
49.7
33
1977
26.7
22.4
16.9
13.3
16.4
86.5
254
630
264
87.6
41.9
32
1978
26.7
25.5
23.4
17.1
11
207
719
540
355
172
59.5
38.3
1979
28.4
29.8
19.9
16.5
24.3
110
390
513
137
76
30.1
31.7
1980
21.4
16.8
14.2
7.73
9.36
210
372
488
695
116
45.7
29.7
1981
26.1
21.2
17.8
17.8
19.2
28.7
328
470
393
166
58.1
31
1982
39.3
33.5
29.1
16
58.1
45
232
433
466
125
68.7
47
1983
38.9
36.4
26.7
22.3
61.3
33.7
147
332
696
293
67.5
31.9
1984
28.1
16.8
11.2
8.18
3.52
127
555
351
601
126
57.4
37.3
1985
29.7
22.2
16.9
12.8
21.6
115
395
440
494
261
98.3
57
1986
37.4
32.2
20.5
20.7
17.5
204
320
389
364
155
66.5
47.6
1987
26.8
19.9
15.8
11.3
12.4
13.6
341
496
374
142
60.6
35.8
1988
25.3
20
19.4
18.3
18.8
80.4
547
720
322
131
67.3
47
1989
46.6
38.6
30.4
20
18.9
118
538
695
402
148
48.1
31.6
1990
23
33.3
27.1
15.5
43.6
88.6
460
428
243
141
60.7
48.4
1991
42.1
29.8
29.6
20.2
17.7
191
153
438
373
108
54.4
45.6
1992
39.8
32.6
21.8
15.5
14.9
77.6
101
321
244
103
40.6
26.9
1993
21.7
18
26.8
17.1
15.3
63.4
228
481
453
110
44.2
28.7
1994
23.8
21.7
14.9
11.6
10.1
127
292
374
285
77.6
37.7
26.7
1995
22.4
20
15.7
11.2
12.7
137
254
349
248
92.7
91
32.8
1996
27.4
32.3
20.4
13.8
6.20
146
457
551
402
207
69.2
40.6
1997
33.2
27
21.4
24.5
17.1
52.2
568
490
266
106
57.6
64.3
1998
34.3
27
27.3
24.3
22
160
580
779
386
163
76
43.7
