2008

6.5

1980

4.7

1927

0.0

1916

6.6

1916

6.2

2012

6.8

1969

6.4

1913

0.0

1972

0.0

1918

6.0

1997

5.5

1998

6.6

1999

5.9

2001

5.8

1998

5.3

1982

7.3

1994

5.1

1992

7.0

2002

6.7

1993

6.0