Jan ( N = 1156 )

Feb ( N = 1040 )

Mar ( N = 1154 )

Apr ( N = 1070 )

May ( N = 1150 )

Jun ( N = 471 )

Jul ( N = 834 )

Aug ( N = 1152 )

Sep ( N = 1126 )

Oct ( N = 1153 )

Nov ( N = 1096 )

Dec ( N = 1127 )