2004

5.9

1982

8.0

1976

7.6

1982

0.0

1954

7.2

2007

6.1

2005

6.3

1999

6.5

1996

6.0

1997

6.6

1998

6.0

2008

6.7

2007

6.7

2005

6.5

2001

6.9

1995

7.0

1999

7.0

1962

7.4

1995

5.7

1980

7.9