1972

6.9

1989

6.6

2009

5.6

2017

5.7

1969

6.0

1937

7.2

1955

6.6

2018

7.1

1977

6.6

1952

6.2

1946

6.2

1931

7.1

2018

6.8

1968

3.9

1941

0.0

1957

6.2

1950

4.8

1930

6.3

1953

5.2

1969

0.0