2004

5.8

2005

5.2

1991

6.8

1955

2.4

1971

4.5

1995

6.2

1996

0.0

2010

6.8

1970

0.0

2010

5.7

2013

4.4

1893

5.5

1911

5.5

1918

6.0

2000

5.3

1913

0.0

2009

6.2

2004

7.1

2012

0.0

2014

5.4