1960

6.4

1999

7.5

1968

6.0

1941

7.2

1975

8.0

1974

0.0

1930

4.0

2000

7.8

2014

5.0

1940

7.9

1933

8.4

2001

6.6

2016

6.0

1994

6.6

1998

7.1

1981

6.0

1985

5.5

2008

4.8

1936

0.0

2014

6.0