Jan ( N = 317 )

Feb ( N = 279 )

Mar ( N = 343 )

Apr ( N = 368 )

May ( N = 866 )

Jun ( N = 1102 )

Jul ( N = 1149 )

Aug ( N = 1173 )

Sep ( N = 909 )

Oct ( N = 1178 )

Nov ( N = 993 )

Dec ( N = 499 )