Jan ( N = 1147 )

Feb ( N = 984 )

Mar ( N = 1146 )

Apr ( N = 1110 )

May ( N = 1133 )

Jun ( N = 1110 )

Jul ( N = 1147 )

Aug ( N = 1148 )

Sep ( N = 1106 )

Oct ( N = 1143 )

Nov ( N = 1104 )

Dec ( N = 1147 )