2018

6.5

2001

6.7

1993

5.5

2014

6.2

2013

6.1

2009

6.8

2002

6.6

2013

6.5

2006

6.4

2011

7.0

1966

6.1

2011

6.2

2003

7.4

2017

7.3

2012

5.8

2007

7.2

2010

6.8

2007

9.8

2014

5.6

2003

5.8