1996

7.0

2006

4.8

2005

6.2

1983

4.5

1928

6.0

2023

3.9

2012

8.0

1984

5.5

1994

5.5

1985

2.7

2002

6.7

1976

5.1

1957

6.2

1986

5.5

1975

6.6

1932

6.8

1980

5.4

1982

5.2

1984

6.1

2020

7.3