2004

7.2

2002

6.1

2009

5.8

1920

7.9

1908

4.8

2008

6.5

1922

5.0

2013

7.0

2015

6.0

1925

6.0

1925

0.0

1908

6.0

1965

6.5

1999

6.2

1918

6.0

1960

5.6

1967

6.8

2002

6.9

1913

5.3

2005

0.0