1960

6.9

2004

6.9

2006

7.1

1983

7.2

1938

7.5

1940

7.6

1998

6.6

1994

6.5

2023

6.4

1996

6.1

1978

8.0

1994

6.5

1998

6.0

2003

6.1

2000

6.8

2008

6.7

2004

6.7

2003

6.5

2022

4.8

1958

6.4