1974

3.1

1977

8.0

2007

6.0

1978

0.0

1991

0.0

1996

6.6

1986

0.0

1995

0.0

1975

0.0

1980

0.0

1990

0.0

1994

2.0

1981

0.0

1965

1.0

1985

0.0

1978

0.0

1990

0.0

1977

8.0

1986

0.0

1998

9.0

1988

0.0

1972

3.8

1995

3.7

1983

0.0

1988

0.0

1971

6.2

1969

0.0

1970

6.1

1991

0.0

1977

5.4

1992

3.0