1982

6.9

1972

6.3

1966

7.5

1980

0.0

1979

7.6

1981

5.5

1973

0.0

1979

6.4

1992

0.0

1969

7.0

1983

6.5

1971

7.8

1975

3.4

1967

1.8

1973

0.0

1976

5.8

1961

0.0

1971

0.0

1972

8.0

1972

7.5

1972

5.0

1955

6.8

1977

5.5

1973

6.1

1973

7.2

1966

4.7

1994

0.0