1964
3.70
3.05
2.66
3.22
4.74
13.5
115
139
116
65.9
10.3
6.47
1965
4.84
3.5
2.75
3.00
1.47
26.8
71.3
218
54.6
17.6
8.96
4.67
1966
4.10
4.48
3.24
2.61
3.18
20.6
70.9
111
69.2
15.1
7.79
4.80
1967
4.80
3.71
3.37
3.24
3.38
35.2
93.1
66.7
47.2
16.7
9.37
6.37
1968
5.65
4.34
3.71
2.80
3.56
37.9
106
48.6
44.3
47.2
11.0
7.17
1969
4.84
3.79
3.73
2.91
6.41
14.8
64.2
50.1
51.6
16.8
8.11
5.35
1970
4.52
3.87
3.12
2.78
3.27
83.8
146
114
45.3
15.0
6.99
4.47
1971
3.57
2.91
2.80
5.02
11.7
48.4
64.4
98.1
40.7
35.7
14.1
7.72
1972
5.41
5.32
4.15
3.33
2.77
26.7
116
85.6
67.9
14.9
8.38
5.11
1973
4.83
3.63
3.33
2.13
8.79
54.2
72.5
90.1
99.9
91.0
15.3
7.58
1974
5.47
3.80
2.85
3.19
7.88
22.5
154.
101
69.8
21.7
9.86
5.99
1975
4.96
4.23
3.28
3.03
9.43
64.1
138
104
126
45.8
10.8
5.93
1976
4.31
3.31
2.15
1.92
8.31
57.7
104
104
57.8
20.5
12.0
6.57
1977
5.0
3.98
2.74
6.04
10.1
20.7
55.5
141
33.2
20.5
9.70
5.36
1978
4.39
3.65
3.35
3.35
13.0
55.9
80.0
76.9
45.3
22.0
10.5
9.58
1979
5.04
5.12
4.31
3.83
2.92
18.9
68.5
94.4
48.4
21.1
8.58
6.03
1980
4.10
3.26
2.79
1.74
8.09
37.2
73.8
61.5
67.7
19.8
9.60
6.15
1981
4.96
3.92
3.01
5.04
13.1
16.1
86.1
102
69.6
16.1
7.30
4.85
1982
3.93
3.54
3.04
3.26
2.03
26.6
109
110
67.2
15.3
10.3
3.82
1983
6.09
5.35
4.17
3.59
11.6
9.21
70.2
49.9
83.9
33.1
9.00
6.39
1984
5.94
4.36
3.19
2.35
4.26
46.9
126
63.4
77.4
15.8
8.16
4.79
1985
3.86
3.03
1.94
1.19
5.29
19.2
108
55.4
87.6
27.5
13.5
8.66
1986
6.38
5.29
3.75
3.23
7.29
52.3
83.6
53.3
126
24.1
10.2
7.37
1987
4.25
3.11
2.59
1.67
2.85
13.5
106
94.7
39.4
20.3
10.4
6.54
1988
4.78
3.99
3.35
3.35
5.08
23.0
109
97.4
70.8
12.1
5.23
3.32
1989
3.91
1.61
1.27
0.45
6.28
20.8
112
106
56.6
19.6
10.0
6.73
1990
4.82
4.70
5.26
3.26
5.93
42.0
154
85.2
41.6
18.9
8.44
5.28
1991
4.65
3.28
3.00
1.73
4.23
27.7
155
120
79.2
39.7
12.9
9.21



























































































