2004

7.2

2002

6.1

2009

5.8

1955

2.4

1920

7.9

2006

10.0

1908

4.8

2008

6.5

2010

0.0

1922

5.0

2013

5.0

2013

7.0

2015

6.0

1925

6.0

1925

0.0

1913

4.7

1908

6.0

1965

6.5

1996

0.0

2013

7.2