1987

5.6

2002

6.9

1988

5.8

2001

6.9

1977

7.4

2002

6.1

1932

6.4

2006

5.1

1996

6.7

1933

0.0

1980

5.8

1941

0.0

1966

4.0

2013

4.7

2009

6.7

1945

7.0

2024

6.3

2018

3.3

1997

4.3

1937

5.9