1972

0.0

1986

4.0

1971

8.0

2011

6.4

1971

0.0

2013

7.0

1987

5.0

2004

0.0

1984

0.0

1970

0.0

1980

0.0

1974

6.3

1992

5.9

1993

5.6

1977

5.3

1998

0.0

2010

3.7

1981

6.6

2002

0.0

2001

4.0