2009

6.5

2020

5.4

1980

6.1

1998

6.2

1972

5.9

1896

7.1

1994

6.3

2020

6.0

1990

5.8

1984

6.3

2022

5.1

1986

4.7

1970

6.5

1929

7.5

1970

7.3

2018

5.4

1961

6.6

1948

7.6

2017

6.6

1973

5.6