1975

4.6

1984

6.0

1990

5.2

1957

0.0

1966

0.0

1982

6.0

1973

5.1

1958

4.4

1982

2.0

1968

7.0

1977

0.0

1980

0.0

1959

6.5

1974

0.0

1992

0.0