1918

6.0

2000

5.3

2004

5.8

2005

4.9

1991

6.8

1996

0.0

2007

0.0

2009

6.2

1971

4.5

1893

5.5

1995

6.5

2010

7.0

1955

2.4

2010

0.0

2013

0.0

2010

4.8

2013

0.0

1926

6.2

2014

4.5

2014

0.0