1979

6.9

1975

7.4

1987

7.6

2005

6.6

2021

9.3

1933

7.0

1987

7.8

0.0

1998

7.2

1938

7.5

2017

0.0

1970

6.9

1980

8.0

2003

7.1

1976

7.8

2010

7.0

1973

4.5

2011

0.0

2001

6.3

2008

0.0