1955

5.7

1957

4.6

1951

6.5

1949

5.2

1955

5.8

1964

6.7

1949

6.9

1942

5.0

1972

6.2

1953

6.0

1966

6.0

1957

6.0

1949

5.8

1954

5.2

1957

4.3

1958

5.6

1940

5.2

1958

4.8

1967

5.3

1951

4.8

1954

6.7

1942

0.0

1940

4.8

1946

5.8

1950

6.7

1969

6.0

1949

6.8

1950

6.2

1959

6.7

1952

6.6

1962

5.8

1942

5.0

1973

6.7

1969

5.6

1956

6.4

1951

6.2

1959

8.4

1966

6.6

1956

5.6