2011

0.0

2003

7.8

2006

6.0

2001

6.2

2005

5.9

2016

5.1

1987

7.3

1980

6.6

1982

6.4

1971

0.0

1926

7.9

2000

5.2

2008

4.9

1997

6.5

1979

6.6

2007

6.0

1999

6.1

1969

10.0

2014

5.0

2014

4.8