1963

5.7

1966

7.3

1950

5.6

1957

5.5

1970

5.4

1967

6.8

1952

3.8

1974

7.6

1953

6.2

1951

6.3

1952

0.0

1951

6.6

1954

4.2

1951

7.5

1950

7.2

1952

5.8

1952

3.5

1950

6.4