1972

5.3

1989

6.0

1983

5.5

1963

0.0

1976

6.4

1969

5.4

1980

7.7

1983

4.7

1977

9.0

1978

0.0

1967

5.6

1969

6.9

1966

1.0

1974

5.7

1968

7.3

1971

6.2

1976

0.0

1974

5.7

1961

5.0

1984

5.4

1975

5.6

1973

5.6

1977

4.0

1970

5.5

1972

5.7

1970

4.9