1988

5.2

2012

7.3

1966

6.8

2024

7.8

2020

7.0

1974

7.0

2016

6.7

2008

6.9

1923

7.5

2018

6.3

1994

6.8

1995

6.3

1969

7.1

1995

6.3

1976

6.7

2015

6.1

1996

7.3

1994

7.1

2017

5.7