2011 6.6

2011 7.7

2011 6.2

2011 5.4

2011 6.8

2011 7.3

2011 5.4

2011 6.5

2011 7.1

2011 7.0

2011 7.8

2011 5.8

2011 6.8

2011 7.1

2011 6.9

2011 5.4

2011 6.3

2011 4.5

2011 6.2

2010 6.1