2006

8.0

1984

7.5

1996

7.3

1932

6.9

1999

5.7

1963

7.7

2006

6.4

2001

6.3

1988

6.9

2004

6.4

1987

7.6

2014

0.0

2003

6.7

2006

6.8

2005

6.1

1993

6.6

1946

7.5

2008

6.7

2008

6.8

1994

7.9