1945

6.1

1999

6.2

1997

5.4

1948

5.2

1935

6.3

1994

5.6

1996

6.1

2007

5.3

1992

6.7

1990

7.3

1915

5.4

2019

5.0

2020

5.3

1931

6.8

2000

3.8

1941

5.8

2004

3.0

1940

6.4

4.0

1938

5.8