Month	Percent
2009-08-01	7.392029996
2009-09-01	7.041198316
2009-10-01	7.254893154
2009-11-01	7.933542285
2009-12-01	7.556570980
2010-01-01	8.416627603
2010-02-01	7.741752643
2010-03-01	7.900964023
2010-04-01	7.649706651
2010-05-01	6.582404715
2010-06-01	6.427573005
2010-07-01	6.489361807
2010-08-01	6.278201079
2010-09-01	6.384411456
2010-10-01	6.428436610
2010-11-01	6.476503806
2010-12-01	6.683571180
2011-01-01	7.110905309
2011-02-01	6.818567966
2011-03-01	6.297043486
2011-04-01	6.498251643
2011-05-01	6.176546625
2011-06-01	5.701864319