1970

4.0

1974

0.0

1972

0.0

1972

0.0

1971

5.6

1976

0.0

1974

0.0

1969

0.0

1973

0.0

1979

8.0

1979

5.2

1986

6.9

1990

0.0

1989

0.0

1982

7.0

1977

6.0

1973

4.0

2014

7.8

0.0