2008

5.5

1984

6.0

1944

7.2

2002

5.3

2001

6.3

1975

5.7

2007

7.3

1992

5.7

2004

6.9

1964

6.1

2007

7.2

1987

6.0

1975

6.1

2006

4.3

1996

5.5

2000

7.3

2003

5.6

1988

6.3

1988

6.7

1975

6.8