1971





34.6
59.8
88.4
44.4
27.4
16.6
10.5
1972
7.99
7.24
5.93
5.42
3.90
7.41
49.2
32.5
27.4
13.3
7.87
5.73
1973
5.65
5.20
5.03
3.51
3.99
3.6
67.5
1929
125
123
24.4
10.6
1974
6.66
4.92
4.33
3.86
2.83
9.66
54.8
93.4
56.8
23.6
5.72
3.17
1975
3.24
3.17
3.21
3.17
2.79
26.2
109
106
101
55.2
16.8
6.95
1976
3.18
3.07
3.17
3.23
3.42
8.35
87.3
81.5
61.8
23
10.9
6.71
1977
5.55
4.93
4.15
3.65
3.82
8.28
46.5
93.7
59
25.9
13.2
8.39
1978
7.77
6.71
6.09
5.48
6.62
44.5
99.5
79.2
76.7
36.6
16.6
10.2
1979
7.10
7.24
5.16
4.15
3.43
16.8
71.5
108
31.4
15.6
8.70
7.42
1980
5.47
4.69
4.48
2.47
2.80
10.2
61
99.4
104
25.8
11
6.34
1981
5.84
3.86
3.54
2.90
2.64
9.33
89.5
81.2
86.3
26.6
10.1
5.42
1982
4.73
4.25
4.07
3.24
3.17
9.43
50
111
86.4
22.7
11.9
7.36
1983
5.98
5.15
4.33
3.24
9.87
5.76
28.9
82.4
173
46.8
15.8
8.39
1984
7.06
5.51
4.61
3.09
2.85
18.5
133
82.3
91
20.1
9.26
6.62
1985
5.93
4.40
3.87
2.69
2.86
16.8
88.2
77.3
87
40
14.7
9.39
1986
9.47
7.53
5.89
3.89
3.66
65.4
86.1
90.1
102
38.9
14.6
11.4
1987
6.13
4.44
3.73
2.59
2.24
4.72
60.2
112
76.5
27.1
12
7.82
1988
5.93
5.12
4.88
3.94
4.35
12.4
123
138
78.6
17.6
8.85
6.12
1989
6.94
4.37
3.68
2.45
2.58
13.2
64.2
112
50.9
22
9.50
6.39
1990
4.89
5.24
5.34
4.20
6.59
16.6
60.4
81.1
41.1
22.1
10.3
6.73
1991
6.30
5.01
6.64
6.16
4.58
21.9
32.8
70.4
54.4
19.4
12.5
9.37
1992
8.34
6.62
5.30
4.02
4.74
7.69
15.6
65.6
26.3
11.8
6.13
4.81
1993
4.34
4.21
4.14
3.63
3.97
8.90
20.2
80.2
68.1
20.5
9.01
6.47
1994
5.78
5.11
4.69
4.11
4.74







1995
5.94
5.37
5.79
4.67
9.36
35.2
63
73.2
52.5
22.8
15.3
5.26


































































































































