1966

8.5

1952

7.7

1959

7.8

1933

5.3

1960

6.1

1969

7.0

1949

0.0

1969

6.4

2005

7.0

1950

7.3

1985

5.7

1957

7.0

1947

6.4

1941

5.8

1948

5.2

1954

6.9

2014

6.5

1975

6.0

1957

7.2

1995

6.6