2001

7.7

2004

7.3

1991

6.8

1984

5.9

1983

5.4

2013

10.0

2006

7.8

2012

5.4

2015

6.5

2018

5.0

1992

8.0

2015

3.5

1973

1.0

1921

5.5

1984

0.0

1996

4.0

1916

5.8

2014

6.9

1921

5.9

2001

6.0