2006

6.3

2019

6.4

1980

5.1

1989

4.5

2007

5.6

1983

5.2

1994

4.1

2023

5.6

1992

6.0

1991

6.7

2005

6.3

1980

6.6

1978

0.0

2009

6.6

2014

5.2

1999

4.4

1980

0.0

1979

0.0

2023

6.5

1975

5.5