1991

6.8

2013

6.9

2009

5.3

2006

4.7

2002

6.6

2014

5.4

1908

5.5

2007

0.0

2013

3.0

2004

2.0

1937

7.3

2010

5.2

2001

5.3

2014

4.0

2014

0.0

2011

0.0

1914

0.0

2011

5.6

2006

7.0

2012

0.0