1975

5.2

1969

6.3

1971

10.0

1968

5.2

1991

4.4

1988

0.0

1992

5.0

1985

4.0

1979

4.0

1977

6.8

1969

5.4

1982

5.0

1995

5.0

1971

0.0

1964

0.0

1966

6.5

1967

5.0

1968

6.8

1986

4.5

1978

5.3

1973

5.2

1981

6.8

1963

6.0

1990

4.8