1987

5.3

2008

4.5

1983

5.8

2005

4.7

2015

5.9

2004

9.9

1986

6.7

2017

6.1

1955

7.2

2024

7.2

2013

6.1

2009

6.2

2023

6.5

1966

5.7

2023

6.8

2008

5.9

1974

5.9

1940

6.9

2023

4.1

1988

5.7