5.8

2020

6.8

1992

7.4

2013

7.6

1975

6.0

2005

5.7

2008

6.9

1932

6.2

2016

6.5

2017

6.8

2010

6.5

2014

5.9

2019

6.1

2007

8.1

1994

7.5

1963

7.4

1996

5.3

2023

8.0

2017

6.6

2004

7.1