Jan ( N = 1143 )

Feb ( N = 888 )

Mar ( N = 1147 )

Apr ( N = 1108 )

May ( N = 1117 )

Jun ( N = 1102 )

Jul ( N = 1096 )

Aug ( N = 1123 )

Sep ( N = 1100 )

Oct ( N = 916 )

Nov ( N = 1050 )

Dec ( N = 1147 )