1991

6.8

2004

5.8

2005

4.9

2013

0.0

1955

2.4

1971

4.5

1996

0.0

2007

0.0

2013

0.0

1970

0.0

1995

6.5

1893

5.5

2009

6.2

2010

7.2

1912

5.2

1913

0.0

1904

5.6

2010

5.9

2006

7.5

2007

5.9