1978

7.4

1953

7.7

1964

7.3

1953

7.3

1930

6.1

1944

7.0

1957

7.2

1968

5.8

1940

7.2

2006

6.7

2025

6.8

2023

6.0

2018

6.6

1967

6.5

1942

5.8

1933

5.5

1949

6.7

2009

6.0

2014

5.3

1930

4.7