270
1963
5330
79.8
1964
3960
76.1
1965
2250
78.1
1966
2990
62.0
1967
2150
59.9
1968
2150
78.1
1969
2910
70.0
1970
5590
64.0
1971
4200
57.1
1972
2620
64.5
1973
4730
75.6
1974
4250
66.7
1975
4730
71.1
1976
2540
58.6
1977
2220
40.8
1978
2520
63.9
1979
3900
71.1
1980
2490
85.2
1981
4220
67.0
1982
2490
85.1
1983
2580
74.6
1984
2820
62.2
1985
3560
67.6
1986
2490
56.6
1987
1590
80.5
1988
1650
76.0
1989
1660
66.2
1990
2820
82.0
1991
1580
63.5
1992
1930
85.1
1993
1320
76.0
1994
1600
70.4
1995
2820
76.0
1996
2200
79.0
