1974 7.7

1974 5.2

1974 8.2

1974 6.6

1974 6.3

1973 7.6

1973 7.3

1973 7.0

1973 7.1

1972 6.8

1972 7.8

1968 7.4

1968 6.3

1968 8.3

1968 7.6

1967 8.0

1967 6.5

1967 7.0

1966 7.0

1966 6.6