260
1963
5850
50.0
1964
3090
54.2
1965
1310
55.5
1966
2360
36.5
1967
5060
27.7
1968
3370
61.8
1969
4460
61.8
1970
5510
50.4
1971
7030
62.0
1972
4800
67.3
1973
2650
62.0
1974
2450
57.4
1975
4600
66.0
1976
3570
54.0
1977
2260
36.1
1978
2460
50.0
1979
1800
51.0
1980
2150
41.8
1981
1940
51.0
1982
2180
63.4
1983
6310
52.1
1984
2310
62.0
1985
5340
54.2
1986
2540
65.0
1987
1710
70.7
1988
3780
52.0
1989
3700
44.2
1990
2780
69.3
1991
2270
61.7
1992
1480
61.9
1993
1980
63.9
1994
2660
60.6
1995
3690
62.8
1996
2050
68.1
