1932

7.4

1979

5.2

1952

5.2

1972

6.2

2007

0.0

2014

6.1

1940

6.5

2003

6.0

2006

5.8

2005

5.7

2006

6.3

1998

7.3

1999

6.4

2014

6.2

2006

6.7

2005

6.7

1996

6.9

2003

6.3

2017

7.5

2005

6.1