1978

0.0

1988

5.6

1972

6.6

1974

7.0

2005

6.1

1978

2.5

1983

2.7

1996

1.0

2017

6.4

1983

1.0

1979

0.0

1999

3.7

1988

0.0

1990

2.0

1982

4.3

1991

6.0

1973

10.0

1977

7.5

1976

5.8

2012

4.1

1981

2.0

1981

0.0

1999

2.8

2010

6.8

1994

7.0

1995

6.9

1981

6.7