2000

7.1

1932

6.4

1985

7.2

1945

7.0

2017

4.9

1998

0.0

2002

5.0

2007

4.8

2001

6.9

2006

5.1

2002

6.9

1950

6.8

1988

5.8

2002

6.1

1931

0.0

2001

6.8

2007

6.9

2013

8.2

1977

7.4

1972

6.2