2005

6.5

2000

6.9

1982

7.6

1989

6.2

1930

4.0

2019

5.8

2002

7.0

1999

5.7

2008

1.0

1995

7.3

2004

6.5

1999

4.2

2006

6.6

2008

7.5

2001

5.9

2018

6.0

1983

5.2

2009

5.8

1933

5.9

2000

5.3