602.5
1974
65.7
0.94
1975
66.6
0.67
1976
59.6
0.83
1977
59.6
0.83
1978
59.6
0.83
1979
88.0
0.65
1980
88.0
0.65
1981
88.0
0.65
1982
88.0
0.65
1983
88.0
0.65
1984
34.4
0.90
1985
41.6
0.65
1986
50.0
0.83
1987
38.2
0.90
1988
62.0
0.67
1989
20.0
0.92
1990
31.6
1.42
1991
32.8
0.98
1992
32.8
0.98
1993
32.8
0.98
1994
44.5
0.85
1995
45.2
1.35
1996
50.0
1.43
1997
48.7
1..68
1998
57.8
0.420
1999
41.0
0.860
2000
33.2
0.920
2001
40.4
0.920
2002
48.7
1.31
2003
20.6
1.22
2004
57.1
0.540
2005
26.6
0.480
2006
32.0
0.390



