1963

6.2

1896

7.1

1947

0.0

1980

4.8

2005

5.4

2004

7.3

2003

5.8

1888

6.3

1894

5.2

1893

5.5

1998

6.8

1997

6.5

1996

7.1

2008

5.5

1997

6.5

2002

7.0

1999

6.5

2003

6.2

2006

5.8

2002

7.5