2020

6.7

2025

5.9

1970

6.9

2007

5.7

1997

6.0

2014

7.6

2013

9.6

1946

7.7

1993

6.5

2005

7.8

7.8

2013

6.9

1998

8.8

2001

6.7

2006

6.3

2003

4.1

2002

7.4

2015

5.9

1959

8.1

1977

6.6