2012 6.9

2005 7.3

2004 7.3

2020 5.6

1992 6.7

1981 8.4

2017 6.0

2004 8.0

2018 7.4

1980 8.4

2005 8.2

2012 7.0

2012 7.8

2006 7.3

2022 7.6

2015 4.2

1975 8.1

1957 9.0

1968 8.3

2021 4.8