4.2

2006

6.7

2014

8.5

1997

6.3

1972

6.3

2023

5.6

2022

3.2

2017

7.5

2019

6.4

1932

5.7

2020

7.2

2007

5.3

2017

4.6

1971

6.3

2012

6.2

2012

7.3

1922

6.2

2013

7.3

1993

4.8