2016

5.9

2006

5.5

2008

7.3

1998

7.5

2010

6.0

1983

4.5

2011

5.8

2002

6.1

1993

6.7

2011

5.2

2008

5.8

2005

6.6

2006

5.8

2009

6.3

2014

7.8

2005

6.3

2019

5.2

2015

6.8

2010

6.6