1969

5.0

1985

5.5

1918

4.0

1974

6.6

2021

7.4

1980

5.3

2009

6.0

2018

5.9

1993

7.5

1988

5.8

2004

7.2

2020

7.0

1981

7.8

1987

5.7

2015

6.4

1949

7.7

1954

7.2

2003

6.8

2011

7.2

2019

7.8