Jan ( N = 504 )
Feb ( N = 335 )
Mar ( N = 798 )
Apr ( N = 514 )
May ( N = 262 )
Jun ( N = 297 )
Jul ( N = 860 )
Aug ( N = 930 )
Sep ( N = 900 )
Oct ( N = 930 )
Nov ( N = 898 )
Dec ( N = 931 )