1953

5.9

2000

6.4

1994

6.8

1969

7.5

1986

6.9

1957

6.8

1940

6.4

2006

5.5

2014

7.0

2010

7.7

1963

6.8

1952

6.8

1936

3.0

1930

3.3

1948

3.8

1933

4.8

2016

4.2

1924

5.6

1926

6.4

1941

5.4