Jan ( N = 1148 )

Feb ( N = 1040 )

Mar ( N = 1160 )

Apr ( N = 1125 )

May ( N = 1155 )

Jun ( N = 1116 )

Jul ( N = 902 )

Aug ( N = 1018 )

Sep ( N = 895 )

Oct ( N = 727 )

Nov ( N = 594 )

Dec ( N = 488 )