1974

0.0

1973

6.9

1998

6.5

1976

7.1

1985

6.0

1965

2.0

1976

5.9

1985

4.8

1967

2.5

1970

6.1

1984

6.0

1973

0.0

1973

5.0

1967

0.0

1972

5.2

1970

2.0

1976

6.0

1973

4.5

1975

5.0

1976

6.0

1967

5.8

2000

6.8

1979

6.3

1982

0.0

1969

5.5

1968

5.8

1980

0.0

1980

5.3