1974

6.7

1984

5.7

1997

6.1

1967

5.3

1973

0.0

1965

7.8

1982

7.3

1963

5.8

1980

0.0

1977

0.0

1982

0.0

1966

6.2

1969

5.9

1984

0.0

1978

1.0