Jan ( N = 1104 )

Feb ( N = 918 )

Mar ( N = 880 )

Apr ( N = 1016 )

May ( N = 500 )

Jun ( N = 315 )

Jul ( N = 866 )

Aug ( N = 1141 )

Sep ( N = 1125 )

Oct ( N = 1161 )

Nov ( N = 1079 )

Dec ( N = 1165 )