2003

7.0

1984

7.2

1976

6.6

1978

6.8

1986

6.7

1981

5.6

1994

8.4

1980

0.0

1979

6.8

1999

7.5

1992

6.2

1985

7.7

1981

4.7

1958

5.3

1977

5.0

1996

5.0

1991

3.5

1980

3.5

1980

5.9

1988

7.5

1999

6.5

1984

7.4

1982

7.1

1970

5.0

1982

5.4

1999

6.5

1994

10.0

1982

0.0

1959

7.0

1958

0.0

1968

6.3

1987

4.8

1961

5.1

1982

4.5

1962

7.4

1981

6.0