2009

10.0

2015

7.3

1975

4.0

1991

5.5

1974

2.0

1985

4.3

2013

7.1

1992

2.0

2017

6.7

1975

1.0

1975

7.0

1972

0.0

1994

6.0

1995

6.5

2014

6.4

2010

0.0

0.0

1987

3.7

1982

4.0

1974

0.0

1982

6.8