Month	Percent
2009-08-01	8.284474584
2009-09-01	8.076548187
2009-10-01	8.204121151
2009-11-01	8.376826703
2009-12-01	8.787936285
2010-01-01	9.874000428
2010-02-01	9.451525291
2010-03-01	9.261723889
2010-04-01	8.701659148
2010-05-01	8.012237413
2010-06-01	7.185723974
2010-07-01	7.515236782
2010-08-01	7.363591778
2010-09-01	6.770914327
2010-10-01	7.079175115
2010-11-01	6.839132271
2010-12-01	7.670118180
2011-01-01	8.380919703
2011-02-01	8.255817303
2011-03-01	7.940312283
2011-04-01	7.874756294
2011-05-01	6.611646028
2011-06-01	6.412819006