Jan ( N = 617 )

Feb ( N = 885 )

Mar ( N = 1144 )

Apr ( N = 1170 )

May ( N = 1160 )

Jun ( N = 1147 )

Jul ( N = 1170 )

Aug ( N = 1174 )

Sep ( N = 1158 )

Oct ( N = 1156 )

Nov ( N = 832 )

Dec ( N = 1191 )