0.0

1972

5.5

1974

2.8

2007

3.6

1982

5.9

1961

6.3

1974

7.0

2009

5.5

2009

5.5

1971

5.1

2014

4.7

2008

7.3

1996

5.6

2006

5.5

1990

8.0

1977

7.3

2013

4.5

2008

6.2

2020

7.0

2006

6.1