2005

4.7

2003

10.0

1998

5.9

2007

7.3

2017

6.1

1997

7.6

2003

6.1

2005

6.6

2002

6.3

2006

6.8

1993

8.1

2023

4.2

2002

6.1

2002

6.2

1996

6.5

2000

6.9

1973

6.5

1978

6.1

1996

5.9

2001

5.9