6.6

1947

9.0

2015

6.2

2014

6.8

2020

6.1

1982

7.6

2020

5.2

2013

6.1

1983

5.2

1989

7.8

2023

6.3

1993

5.8

2012

6.2

2015

5.8

2013

6.1

1974

8.6

2009

5.6

2004

7.3

2017

6.5