1947

6.5

1953

6.3

1947

7.6

1951

6.6

1949

6.9

1949

6.2

1949

6.9

1953

6.1

1950

6.5

1944

5.8

1947

5.7

1951

6.3

1950

5.9

1965

6.5

2001

1.0

1953

5.5

1954

5.7

1948

5.7

1950

6.2

1954

6.0