5.7

2018

6.9

2014

7.0

1997

7.8

2014

6.5

1989

5.4

2007

5.8

2025

6.0

2014

7.2

2017

6.8

2015

7.8

2006

7.6

1993

5.6

2014

6.0

2013

5.7

2016

7.4

2021

6.6

1972

4.0