1980

7.0

1976

4.7

1974

4.9

1990

0.0

1966

5.0

1985

0.0

1981

0.0

1974

6.0

1970

4.5

1978

5.8

1972

8.2

1994

6.5

1970

0.0

1982

0.0

1966

0.0

1960

7.1

1972

0.0

1967

6.9

1993

6.4

1972

5.2

1992

5.5

1972

6.1

2006

0.0

1983

10.0

1977

4.6

1968

5.5

1982

6.4

1972

5.4

1974

0.0

2006

10.0

1981

5.6