1964

4.5

1952

5.5

1970

4.5

1952

4.7

1966

0.0

1956

5.6

1957

0.0

1956

0.0

1961

5.5

1962

4.0

1976

4.2

1959

7.0

1965

6.0

1954

0.0

1951

5.8