2011 7.8

2011 6.4

2011 7.5

2011 6.3

2011 6.1

2011 6.2

2011 6.0

2011 6.4

2011 7.5

2011 6.9

2011 6.8

2011 5.6

2011 7.7

2011 4.6

2011 7.2

2010 6.3

2010 5.9

2010 6.9

2010 7.3

2010 6.4