1970

5.5

2018

6.7

2012

5.5

1976

6.4

1940

5.8

2002

6.4

1974

7.5

1996

6.4

2020

6.3

2008

7.2

2017

5.2

2008

5.3

2024

6.0

2003

5.3

2009

7.1

1951

6.8

2023

10.0

1985

6.5

2005

6.6

2000

5.6