2001

6.4

2004

5.6

1996

5.3

2006

5.7

2001

7.1

2008

5.8

2022

6.1

2023

0.0

1997

6.1

1989

6.2

1998

6.8

1983

4.0

2007

6.3

1997

6.5

1987

0.0

1993

6.1

2021

6.6

1994

2.0

2009

5.7

2001

4.3