2002

6.1

2005

6.2

2005

6.4

1989

6.2

2004

6.2

1997

5.3

1994

6.6

2001

5.7

2003

6.9

2023

6.4

2020

4.0

2004

6.5

1994

6.7

2004

5.7

2012

6.1

1983

5.5

1979

5.7

1994

6.8

2006

5.9

1993

7.2