1929

7.5

2005

6.9

1969

7.1

1960

6.3

1955

4.6

1956

5.2

1945

5.0

1985

5.7

1957

6.3

1981

7.2

1966

6.5

1987

7.2

1969

7.0

1955

6.6

2004

6.8

1935

7.2

1940

7.4

1988

7.3

1978

6.6

1964

7.2