1973

0.0

1984

7.1

1971

5.3

1985

5.3

1976

6.8

1982

0.0

1979

6.7

1980

7.3

1984

7.5

1975

0.0

1970

4.6

1985

6.8

1982

6.3

1983

7.5

1972

6.5

1981

5.0

1976

5.2

1980

3.5

1981

6.0

2018

4.1

1976

0.0