2010

6.4

2004

5.9

2008

5.1

1931

3.8

1939

7.1

2020

6.2

1993

6.0

2018

0.0

2001

6.8

2003

5.7

1937

4.6

2005

6.3

1988

5.6

1976

4.8

1953

7.1

1999

5.8

2016

6.3

1945

6.2

1989

5.7

1994

6.2