1955

6.5

1949

6.5

1969

6.6

1964

6.5

1958

6.0

1954

7.4

1965

6.1

1955

6.1

1966

5.6

1950

6.7

1953

5.0

1963

6.3

1951

6.7

1958

6.0

1953

5.2

1961

6.5

1960

6.1