2008

3.1

2006

5.5

2007

10.0

2000

5.1

1948

7.2

0.0

1977

6.5

2012

5.7

1952

6.7

2017

4.5

1991

4.7

2020

6.0

2001

4.9

1993

5.0

1994

5.8

1989

5.7

2013

5.8

1959

7.8

2010

7.3

2008

5.2