5.3

1989

5.8

2017

5.9

2011

5.6

2023

7.0

1974

6.3

2016

7.0

1993

6.2

1996

9.6

2024

6.4

1982

8.1

2017

6.7

2014

5.9

1945

6.2

1994

8.9

2017

5.9

2007

5.7

2014

7.0

2020

6.0