Jan ( N = 1153 )

Feb ( N = 970 )

Mar ( N = 1155 )

Apr ( N = 1140 )

May ( N = 1177 )

Jun ( N = 1103 )

Jul ( N = 1133 )

Aug ( N = 1137 )

Sep ( N = 1122 )

Oct ( N = 1140 )

Nov ( N = 838 )

Dec ( N = 1174 )