1993

6.9

1978

6.6

1952

0.0

1937

6.0

1933

6.1

1958

5.7

1926

4.3

1978

7.4

1953

7.7

1932

7.4

1968

6.0

1934

10.0

1989

7.2

1996

7.3

1996

7.0

1931

0.0

1988

0.0

1992

6.6

1933

0.0

1986

6.9