1981

6.0

1982

5.9

1988

5.5

1985

4.3

1987

2.8

1965

6.5

1990

0.0

1978

5.9

1982

5.6

1981

4.0

1972

8.0

1958

0.0

1972

0.0

1982

6.9

1979

6.2

1976

5.8

1979

6.9

1991

5.8

1971

4.0

1988

2.5

1984

4.4

1970

5.4

1977

0.0