1990

0.0

1985

0.0

2000

6.2

1968

10.0

1990

0.0

2008

5.9

1984

6.9

1979

6.0

1988

0.0

2009

0.0

1981

0.0

1992

0.0

1975

0.0

1975

0.0

1997

0.0

2013

7.9

1976

0.0

1973

0.0

2003

5.7

1989

4.5

2013

6.0

1971

6.4

2010

6.3

1970

6.1

2016

6.4

1967

5.0

1996

5.5

2016

7.0

1984

0.0

1994

6.0