1968

6.9

2020

6.9

1957

7.2

2022

5.5

2001

4.9

1991

4.7

2024

7.6

1935

7.4

1964

7.1

2009

4.0

2012

6.3

2013

8.1

1989

5.4

1993

6.9

1947

6.3

1983

7.3

1986

6.6

1976

7.0

1933

6.8

1999

8.0