1952

6.5

1991

7.3

1988

4.5

1951

6.2

1964

0.0

1966

6.2

1950

0.0

1951

7.0

1987

2.0

1950

8.0

1974

6.0

1993

6.0

1981

5.7

1971

6.0

1977

5.5