2004

5.9

1968

6.4

2004

6.1

1987

6.2

2011

6.5

2019

7.1

2001

9.9

1994

6.4

1974

6.3

2017

5.7

2016

5.1

1978

6.8

1928

7.3

1994

6.4

1988

6.2

1974

5.7

1971

6.2

2006

6.2

1991

6.2