1937

4.6

1993

6.0

1929

6.2

1945

6.2

1964

6.9

2020

6.2

1960

6.2

1940

4.3

2013

5.6

1953

7.1

2010

6.4

2017

10.0

1976

4.8

2017

5.5

2020

6.5

2022

5.0

1985

8.8

2001

0.0

2024

7.0

2012

2.0