1966

7.1

1975

5.0

1990

0.0

1969

3.5

1964

7.3

1960

5.7

1986

4.5

1976

7.0

1979

0.0

1974

6.0

1968

5.1

1972

5.5

1971

0.0

1967

5.9

1976

6.0

1973

0.0

1977

3.3

1975

4.0

1965

0.0

1982

0.0