1975

6.0

1976

7.1

1981

7.1

1963

5.8

1992

0.0

1967

0.0

1976

4.8

1991

7.1

1967

0.0

1965

0.0

1987

5.0

1985

2.0

1950

6.4

1952

5.6

1976

4.5

1969

6.9

1966

1.0

1960

7.0

1966

5.7

1970

4.5

1984

5.5

1966

7.0

1970

6.1

1960

4.7