1997

6.2

1973

6.3

1980

6.9

1991

0.0

1970

6.5

1973

8.2

1992

6.3

1978

7.0

1995

5.0

1983

6.3

1983

4.1

1978

7.4

1973

0.0

1978

6.6

1989

2.0

1972

7.3

1973

6.3

1987

6.2

1993

0.0

1973

5.2

1981

5.7

1972

6.6

1982

6.3

1972

6.2

1972

6.2

1979

7.0

1982

6.0

2002

5.0

1988

0.0

1984

6.7

1990

5.6

1974

0.0

1983

6.2

1981

7.0

1983

6.1

1989

6.0

1979

6.5

1978

6.0

1983

6.6

1982

6.7

1978

6.4

1974

4.8

1980

6.1

1973

4.9

1978

6.1

1997

7.0

1972

6.7

1978

7.4

1988

6.3

1974

6.0

1972

4.6

1980

5.5

1979

5.7

1979

6.3

1981

6.7

1983

5.0

1975

6.9

1977

6.1

1979

6.4

1979

7.9

1979

6.0

1973

5.8

1979

6.2

1977

6.5

1986

6.8

1971

6.3

1973

8.0

1975

6.8

1978

6.5

1974

6.7

1980

5.2

1979

7.0

1971

5.7

1974

6.9

1976

0.0