1971

7.4

1932

7.0

1919

6.9

1975

7.5

1950

8.1

2001

6.9

1965

7.0

2015

4.5

1963

6.3

1934

7.8

1955

6.6

2008

7.6

2006

5.5

1968

6.0

1999

7.3

1935

4.0

1951

5.2

1977

6.3

1984

0.0

1927

5.0