1984

10.0

1975

7.9

1997

6.0

1998

6.2

1985

4.3

2000

6.1

1929

7.5

2001

5.8

2018

6.6

1952

6.7

1956

6.1

1946

7.6

2006

6.2

1998

6.5

1947

7.4

1896

7.1

1972

8.7

1994

5.3

2006

6.6

1980

7.8