1929

7.5

1966

7.3

2014

5.9

2005

6.9

1939

7.1

1969

7.1

1960

6.3

1997

6.4

2005

2.0

1955

4.6

1956

5.2

2020

6.7

1945

5.0

1982

0.0

1965

0.0

1996

5.0

1945

6.3

1985

5.7

1921

0.0

2009

6.3