2014

5.7

1990

6.4

1921

6.8

1972

10.0

1952

6.7

1955

7.4

2005

4.7

1986

6.7

1898

5.7

1970

5.7

1939

7.8

1965

6.4

2005

8.6

1993

6.9

1973

7.7

1964

7.0

1967

7.7

1974

6.6

2020

6.1

1948

7.6