2007

6.1

2006

7.8

1954

6.3

2008

6.0

2017

7.0

2014

3.0

1976

4.5

1996

8.0

2002

7.1

2005

6.3

2009

6.1

1987

7.7

2015

5.1

2001

4.3

1977

7.3

1986

6.8

2001

4.5

1936

7.1

2009

4.5

2009

5.2