1993

5.6

1987

6.2

2021

6.2

2015

5.1

2009

5.1

2019

5.7

1959

5.7

2005

7.4

1931

5.8

2008

5.2

2010

5.0

1975

6.0

2020

6.1

2023

4.5

2003

5.8

2018

7.2

1945

6.2

2009

7.3

1973

6.5

2010

7.4