2021

6.2

2008

6.4

2006

6.5

2002

4.3

2023

6.6

2006

5.4

2000

5.1

1998

6.2

2002

6.7

1993

6.2

1983

6.1

1991

6.8

1994

6.7

1997

5.2

1998

4.0

1983

7.9

2003

6.8

2002

7.5

2004

7.3

1997

5.7