1975

4.5

1981

6.2

1973

7.0

1962

6.3

1964

1.0

1978

5.4

1952

0.0

1964

5.2

1967

8.0

1984

2.3

1968

6.3

1960

0.0

1957

5.9

1975

7.0

1959

9.0

1973

10.0

1974

1.0

1980

0.0

1955

6.0

1962

4.8

1981

6.7

1958

8.0