Jan ( N = 849 )

Feb ( N = 899 )

Mar ( N = 1176 )

Apr ( N = 1140 )

May ( N = 1060 )

Jun ( N = 719 )

Jul ( N = 1139 )

Aug ( N = 1140 )

Sep ( N = 1132 )

Oct ( N = 1115 )

Nov ( N = 1135 )

Dec ( N = 1138 )