1989

6.4

1994

6.7

1983

7.2

2005

6.2

2006

7.1

2018

2.8

1945

5.6

1970

5.3

1947

6.0

2005

5.1

2005

4.6

1936

4.5

1957

5.6

1953

0.0

1951

6.5

2023

2.3

1930

0.0

2016

6.6

1958

5.5

1939

5.0