604.5
1975
2140
102
1976
2580
102
1977
2740
105
1978
2260
131
1979
3710
108
1980
3220
124
1981
3400
104
1982
3890
98.5
1983
4280
85.3
1984
2410
78.6
1985
2480
78.6
1986
1700
84.2
1987
3550
91.8
1988
2340
90.5
1989
2020
86.6
1990
3280
93.9
1991
2390
78.5
1992
2100
81.8
1993
5720
90.0
1994
1400
81.8
1995
2420
66.5
1996
3700
73.0
1997
2970
82.8
1998
4700
71.7
1999
3030
71.2
2000
5700
86.2
2001
2970
74.8
2002
3110
87.0
2003
2840
87.0
2004
2200
96.0
2005
2530
87.6
2006
2000
90.4






