2001

0.0

1955

7.7

1972

8.6

1956

5.9

1973

0.0

1980

6.2

1976

0.0

1971

8.1

1971

5.0

1971

5.3

1988

3.6

1957

7.0

1952

6.1

1982

6.9

1976

6.8

1974

0.0

1986

6.1

1983

4.0

1955

5.0

1969

5.1

1976

0.0

1980

5.0

1964

7.3

1985

6.5

1970

6.4

1948

4.7

1960

5.1

1962

7.8

1977

6.0

1975

0.0

1973

6.0

1975

5.7

1979

6.0

1970

6.8

1954

8.1