1979

2.8

2023

4.6

1991

5.8

1969

6.7

1963

3.0

2016

6.3

2008

7.0

2014

0.0

2001

6.0

2005

4.7

1971

3.3

2014

0.0

1957

5.6

1991

7.6

1966

4.6

1976

4.7

1982

5.9

1962

5.8

2005

5.9

2009

6.2