1932

7.8

1930

7.8

1953

7.9

1951

7.4

1931

8.1

1959

7.2

1998

7.3

1944

7.6

1929

6.5

1960

8.2

1952

7.7

1994

7.5

1963

8.1

1993

8.6

1957

8.2

1995

7.3

1927

6.1

1925

8.0

1925

7.1

1957

8.3