1977

6.7

2017

6.9

2011

9.5

1896

5.2

1949

6.2

2017

6.2

2011

7.5

2024

9.9

2001

6.3

1999

4.6

1998

6.4

2021

6.2

2002

6.4

2008

8.0

2006

5.1

2003

8.7

2013

7.5

1992

6.0

1980

6.3

1972

6.4