2008

6.5

1979

7.1

2023

7.7

1973

4.2

1997

7.5

2006

5.8

2007

7.3

2009

7.1

1995

6.9

1998

7.2

2006

6.8

1989

7.0

2002

6.9

1998

6.6

2007

7.9

1977

6.3

2002

6.8

2006

6.3

1993

7.3

2006

6.9