1979

6.9

1975

7.4

1987

7.6

1939

7.9

1982

7.0

1973

4.5

1992

6.4

2018

5.0

1960

7.6

1993

6.9

2025

0.0

2019

7.0

1945

8.0

2020

4.0

2019

6.2

2013

4.6

2003

0.0

1961

5.6

2007

6.7

2021

7.0