1977

6.3

1972

4.7

1988

0.0

1973

8.4

1975

8.4

1977

0.0

1969

5.8

1980

6.5

1966

6.0

1970

0.0

1993

0.0

1949

5.0

1970

0.0

1990

7.3

1979

6.4

1947

3.0

1949

6.0

1964

0.0

1972

0.0

1951

4.0