1927

8.1

1988

7.9

1980

6.7

2005

4.5

2020

5.6

2002

7.2

1990

7.5

1935

7.5

1985

7.1

1987

6.8

1998

7.3

2023

7.7

2002

3.0

1932

6.0

1940

6.2

1972

4.7

2006

6.8

1993

6.6

1918

0.0

1952

5.3