Jan ( N = 783 )

Feb ( N = 728 )

Mar ( N = 934 )

Apr ( N = 1127 )

May ( N = 1177 )

Jun ( N = 1094 )

Jul ( N = 1072 )

Aug ( N = 1142 )

Sep ( N = 1134 )

Oct ( N = 1176 )

Nov ( N = 971 )

Dec ( N = 1000 )