2012

6.4

1979

7.3

2006

6.4

2002

6.4

2011

7.3

2011

5.2

2014

6.5

1985

6.1

1995

6.3

1931

8.3

2013

5.6

2004

7.9

2002

7.4

2009

6.2

2010

7.8

1990

7.5

2005

6.3

2012

6.1

2016

6.6

2010

8.2