41.30
2013
10
20
30
40
50
60
70
80
90
100
35.91
1975
1.99
7.51
54.59
40.40
1977
8.22
5.42
45.96
38.94
1980
9.77
5.83
45.46
46.02
1983
5.30
0.55
48.13
45.68
1984
4.3
0.96
49.07
50.18
1987
17.35
32.46
54.34
1990
3.40
42.26
55.27
1993
44.73
45.12
1996
6.36
1.79
46.73
41.14
1998
4.55
5.5
10.03
38.78
39.22
2001
4.27
7.30
5.49
43.71
41.37
2004
7.60
4.73
0.91
45.40
46.94
2007
8.82
1.94
2.28
40.03
34.39
2010
13.55
11.45
40.61
32.80
2013
8.70
0
17.2
41.30
