Jan ( N = 1153 )

Feb ( N = 1062 )

Mar ( N = 1175 )

Apr ( N = 1132 )

May ( N = 1164 )

Jun ( N = 1028 )

Jul ( N = 997 )

Aug ( N = 1159 )

Sep ( N = 1078 )

Oct ( N = 660 )

Nov ( N = 940 )

Dec ( N = 990 )