1999 7.9

2010 6.9

2014 8.5

2019 6.7

2003 8.1

2021 6.6

2012 8.4

2022 7.8

1984 8.1

2014 6.8

2010 8.2

2016 6.8

2007 7.5

2008 8.4

2011 7.1

2004 7.8

2016 8.0

2009 7.7

2016 8.1

2009 7.6