1986

0.0

1970

5.1

1966

5.0

1989

6.6

1963

6.5

1962

8.2

1968

6.7

1960

8.1

1974

5.9

1992

5.7

1960

5.2

1991

0.0

1974

6.2

1972

6.3

1963

6.5

1960

6.9

1967

5.5