2004

6.4

2001

7.0

2006

6.2

2023

7.7

2004

6.3

2001

6.9

2003

5.3

2003

6.3

1998

7.0

1989

6.3

2008

7.3

1999

0.0

2008

6.7

2008

6.3

1965

4.8

2006

6.3

2002

6.1

1988

6.8

1989

6.2

2001

6.2