2006

4.7

1991

6.8

2014

5.4

1908

5.5

2004

2.0

2013

3.0

1937

7.3

2002

6.6

2011

5.6

2001

5.3

2014

0.0

2011

0.0

2006

0.0

2015

6.7

1932

6.8

2012

0.0

2002

10.0

2012

7.1

1957

5.1

1914

5.4