2013

0.5

1995

6.1

1959

8.3

2006

6.8

1967

7.3

1987

6.0

2005

5.0

1979

6.0

1965

8.3

2006

7.0

2004

4.7

1978

0.0

1985

8.1

1982

0.0

1989

1.0

2006

3.7

1991

5.7

2003

0.0

2004

1.0

2017

7.5