1978

6.6

1987

7.2

2021

7.4

1970

8.2

1981

6.5

2018

7.1

1972

6.2

1895

6.7

2007

7.3

2004

6.7

1990

7.3

2008

7.4

1940

7.8

2019

7.6

2021

6.8

2012

7.7

1986

5.8

2023

7.0

1994

6.5

1985

6.7