2004

7.8

1961

7.3

1994

3.2

2004

7.1

2005

6.7

2006

5.3

1996

6.1

1980

6.6

2000

6.6

1988

6.6

2005

7.3

2019

4.9

1953

6.4

2020

5.4

1932

6.0

1948

6.7

1991

5.1

2018

0.0

2008

4.9

1952

6.3