2015 6.4

2013 6.3

2017 4.7

2015 6.8

2013 5.7

2009 8.6

2017 7.6

2009 5.6

2006 4.5

2014 6.6

2004 6.7

2015 4.7

2017 7.6

2015 6.2

2017 5.1

2012 6.8

2005 7.3

2010 6.5

2017 6.7

2014 7.6

2015 8.1

2014 6.6

2003 7.8

2008 3.3

2015 4.5

2010 6.3

2015 6.3

2015 5.4

2007 7.1

1995 7.3