1967

7.4

1996

5.9

1992

4.7

0.0

1973

2.5

1989

8.0

2005

6.7

1981

0.0

1957

4.0

1983

6.6

1980

6.8

2020

6.5

2017

6.0

2011

6.3

2006

5.9

2007

5.5

1982

6.1

2008

7.2

2024

7.0

2024

0.0