Jan ( N = 734 )

Feb ( N = 1060 )

Mar ( N = 1164 )

Apr ( N = 1133 )

May ( N = 1176 )

Jun ( N = 1117 )

Jul ( N = 1164 )

Aug ( N = 1177 )

Sep ( N = 1136 )

Oct ( N = 1165 )

Nov ( N = 1136 )

Dec ( N = 1173 )