1966

7.3

1984

8.0

1940

5.2

2017

8.0

1996

6.1

1917

5.0

1985

5.5

1974

7.4

1957

4.0

1956

7.1

1980

7.1

1972

6.9

1997

6.8

1964

7.1

1936

0.0

1944

5.0

1949

4.2

1968

7.4

1925

0.0

1950

3.5