Jan ( N = 1008 )

Feb ( N = 1050 )

Mar ( N = 1172 )

Apr ( N = 1129 )

May ( N = 1132 )

Jun ( N = 901 )

Jul ( N = 1136 )

Aug ( N = 1150 )

Sep ( N = 686 )

Oct ( N = 1173 )

Nov ( N = 1118 )

Dec ( N = 1175 )