2009

5.8

1998

3.6

1990

5.8

1982

5.1

2006

3.2

1970

6.1

1990

4.9

1974

5.1

1990

6.1

2018

5.5

2014

6.3

2023

5.4

1976

5.2

2017

5.1

2017

0.0

1962

6.6

2023

0.0

2006

4.9

1981

5.6

2009

6.3