1964
1.95
1.73
1.29
1.18
1.68
2.54
13.9
18.3
19.9
6.84
3.49
2.57
1965
2.08
1.74
1.43
1.47
1.37
6.21
52.1
93.7
22.9
10.2
5.46
2.66
1966
2.22
1.93
1.51
1.06
0.96
5.01
25.8
50.2
18.9
4.38
4.05
2.06
1967
1.69
1.42
1.39
1.36
1.54
8.31
35.6
34.0
34.9
9.16
3.52
2.19
1968
1.83
1.42
1.64
1.10
1.00
5.90
14.6
32.6
19.3
14.3
4.84
2.75
1969
2.03
1.41
1.29
1.50
1.82
2.72
7.6
22.7
8.86
4.84
2.96
2.06
1970
1.58
1.33
1.18
1.00
1.06
14.305
33.15
26.45
16.3
5.57
3.17
1.72
1971
1.43
1.25
1.20
1.12
1.51
24.7
35.2
25.0
20.2
5.55
2.96
1.76
1972
1.39
1.71
1.31
1.71
1.70
3.91
31.1
27.9
37.4
6.339
2.62
1.60
1973
1.62
1.26
1.10
0.95
1.44
15.6
20.8
19.3
23.2
17.0
6.60
3.33
1974
2.69
2.62
2.21
2.17
2.47
4.24
13.7
28.2
27.5
10.2
3.45
2.29
1975
1.70
1.60
1.78
1.46
1.43
8.30
54.4
68.3
73.2
12.1
3.82
3.08
1976
2.67
2.39
2.18
2.16
3.47
3.98
34.1
24.7
24.8
11.5
6.18
3.59
1977
2.63
1.75
1.13
3.54
5.63
8.51
23.1
28.6
12.2
5.55
3.88
3.03
1978
2.28
1.91
1.74
2.26
4.85
12.4
36.6
32.3
19.4
8.1
3.25
1.84
1979
1.02
0.91
0.91
1.04
0.91
2.40
18.7
33.1
15.9
6.12
3.97
2.96
1980
2.16
1.88
1.58
1.25
1.69
6.83
7.50
21.7
23.3
21
14.7
2.89
1981
1.94
1.51
1.43
1.67
1.99
3.28
17.2
32.6
27.8
7.07
3.01
1.57
1982
1.35
1.14
1.08
0.96
0.82
2.26
11.5
19.1
13.4
3.33
1.67
1.51
1983
1.28
0.92
0.80
0.87
1.30
1.33
13.4
6.99
8.46
3.68
1.21
0.91
1984
0.90
0.89
0.79
0.69
0.73
2.30
8.62
8.54
31.8
14.7
2.89
1.19
1985
1.01
1.13
1.20
1.47
4.45
5.01
26.1
50.3
67.9
34.2
6.69
3.44
1986
4.72
1.635
1.955
1.35
1.395
2.735
18.9
21.2
30.8
18.2
9.52
7.13
1987
3.05
2.04
2.05
1.43
1.32
2.17
23.3
21.1
14.3
6.90
5.16
3.92
1988
1.67
1.23
1.86
1.27
1.47
3.30
14.5
29.2
22.2
6.44
3.26
2.37
1989
2.18
1.55
1.57
1.07
2.20
3.80
22.3
37.8
36.2
7.41
4.14
2.75
1990
1.39
1.03
1.64
1.23

5.24
14.8
22.4
15.7
10.2
4.43
2.98
1991
2.24
1.65
1.11
1.11
0.92
3.27
6.66
7.45
15.5
9.30
5.07
3.65
1992
2.66
2.00
1.57
1.30
1.84
2.15
6.39
12.3
10.7
10.9
4.23
2.20
1993
1.45
1.20
1.07
1.06
1.80
4.51
31.7
39.6
23.0
12.2
6.51
3.83
1994
3.43
2.76
2.02
1.69
2.18
3.98
11.8
40.6
50.0
10.2
3.92
2.14
1995
1.60
1.38
1.15
0.86
1.13
6.53
15.7
20.5
12.7
7.80
4.47
2.25







































