Jan ( N = 486 )
Feb ( N = 558 )
Mar ( N = 787 )
Apr ( N = 745 )
May ( N = 610 )
Jun ( N = 870 )
Jul ( N = 912 )
Aug ( N = 862 )
Sep ( N = 771 )
Oct ( N = 322 )
Nov ( N = 674 )
Dec ( N = 669 )