Jan ( N = 1133 )
Feb ( N = 780 )
Mar ( N = 851 )
Apr ( N = 854 )
May ( N = 983 )
Jun ( N = 960 )
Jul ( N = 992 )
Aug ( N = 991 )
Sep ( N = 960 )
Oct ( N = 992 )
Nov ( N = 1121 )
Dec ( N = 1178 )