2003 7.5

2001 6.8

2009 7.5

2013 7.1

2008 6.7

2002 6.8

2012 6.2

1996 8.1

2000 6.1

2007 6.1

2021 6.5

2016 7.4

2017 7.9

2016 7.2

2013 7.8

1985 7.8

2022 6.8

1997 7.5

2012 5.8

1996 7.2