1998

6.2

1962

7.6

2008

6.8

2017

6.0

2002

6.6

1938

0.0

1997

7.0

2003

7.6

1930

7.8

1943

6.6

2014

6.8

1961

7.5

1992

6.6

2000

7.8

1945

6.0

1970

7.5

1967

7.6

2007

6.1

2015

6.0

1978

0.0