2005

4.9

2005

4.9

2007

5.9

2004

5.8

2001

6.6

2003

5.0

2008

7.3

1955

7.0

1979

6.1

2004

5.9

1999

6.2

1982

6.7

1992

5.8

2001

6.9

2005

6.5

2006

5.6

2006

6.2

2024

10.0

2021

6.8

1982

7.2