1980

8.5

2000

6.8

1945

6.2

1968

6.9

2024

6.5

1940

7.9

2017

6.8

1952

6.3

1941

7.0

1972

7.3

1931

5.8

1971

6.4

2003

7.1

2023

6.7

1950

7.1

1955

6.1

1940

7.0

1999

4.9

1972

4.0

1989

7.9