1980

5.6

1993

7.5

1978

7.0

1980

4.5

1976

7.3

1966

7.3

1977

6.7

1981

7.4

1976

6.8

1977

6.8

1989

6.5

1967

7.7

1975

6.6

1975

0.0

1979

6.5

1978

6.5

1979

5.2

1977

6.5

1984

7.2

1968

6.2

1975

5.5

1979

6.7

1968

6.7

1968

5.7

1976

7.5

1982

6.3

1976

5.2

1967

5.3

1982

6.1

1966

7.1

1971

4.4

1974

0.0

1979

7.0

1980

6.3

1980

5.9

1979

4.0

1977

5.6

1966

7.2

1976

4.7

1970

8.0

1991

6.0