1980

4.8

1933

6.6

1896

7.1

1955

2.4

2003

5.2

1981

6.4

1959

5.4

2004

5.8

2005

5.2

1976

7.3

1991

6.8

2008

6.5

1996

6.7

2000

6.3

1998

5.6

2013

5.1

1899

5.7

2007

6.8

1949

5.8

1941

3.4