1997

6.1

2012

7.1

2012

7.0

2006

4.1

2011

3.0

2010

6.1

2012

7.7

2016

6.6

2014

6.0

1946

5.8

2004

4.8

2017

5.9

2017

7.1

1975

6.2

1941

5.4

2012

7.1

2011

7.1

2014

7.3

2019

6.9

1996

8.0