Jan ( N = 323 )

Feb ( N = 281 )

Mar ( N = 346 )

Apr ( N = 373 )

May ( N = 870 )

Jun ( N = 1108 )

Jul ( N = 1150 )

Aug ( N = 1175 )

Sep ( N = 908 )

Oct ( N = 1178 )

Nov ( N = 994 )

Dec ( N = 498 )