1969

5.1

1937

5.5

2013

8.4

2006

5.3

2012

5.8

1993

7.4

2008

5.2

2008

6.1

2011

7.1

1971

6.8

2008

5.5

2014

6.3

2006

6.4

2000

5.8

2008

7.4

2007

6.9

2015

5.9

2022

5.1

2009

8.0

2010

7.2