1973

0.0

1999

0.0

1973

6.3

1976

4.1

1976

5.4

1988

6.0

1979

6.7

1976

6.1

1971

6.6

1977

6.8

1972

6.7

1972

6.6

1974

6.5

1973

5.5

1994

6.0

1985

0.0

1973

6.0

1972

6.1

1971

5.8

1973

6.5

1976

6.0

1972

6.7

1974

0.0

1972

6.2

1973

6.7

1971

6.9

1979

6.3

1973

3.5

1978

0.0

1971

6.8

1976

5.3

1973

6.4

1971

6.3

1975

6.7

1980

0.0

1976

6.4

1974

6.7

1978

3.0

1974

5.0