2016 7.4

1979 6.8

2019 6.8

2016 6.3

2005 7.2

2020 6.8

2010 6.0

2009 6.6

2009 6.0

2009 7.6

2009 6.9

2010 6.3

2011 7.5

2018 6.6

2020 6.1

2004 6.5

2018 5.3

2010 5.1

2007 7.1

1988 7.4