1979

5.4

1979

6.0

2018

6.8

1990

5.6

1976

6.4

1932

6.5

2006

8.0

1939

7.9

2024

0.0

2020

10.0

2008

6.8

2014

7.4

2017

5.9

2024

0.0

1975

6.7

1949

6.9

2002

6.4

1996

6.9

2000

3.3

2005

6.7