0.0

1949

6.6

1998

6.9

2015

6.8

2020

6.5

2022

9.0

2009

6.9

1937

7.2

2009

7.5

1923

6.6

1936

7.5

2023

10.0

1942

7.0

1947

6.6

1948

5.7

1996

6.5

1959

6.5

1957

8.7

1975

8.0

2024

0.0