1987

7.7

2006

6.7

2018

6.7

2001

6.3

1990

5.8

1951

6.0

1935

4.5

1998

7.1

1991

6.9

1980

6.3

1940

6.3

1940

6.9

2003

4.8

1988

5.8

1958

6.2

1936

6.1

2021

6.0

1930

0.0

1937

6.5

2007

7.4