1976

7.9

1974

5.9

1951

6.0

1937

4.4

1961

7.7

1982

7.4

1962

6.8

1957

5.9

1964

8.0

1971

7.8

1981

6.0

1940

5.0

1975

5.2

1961

5.0

1976

6.8

1975

5.6

1944

5.0

1967

8.0