Jan ( N = 420 )

Feb ( N = 1052 )

Mar ( N = 1147 )

Apr ( N = 796 )

May ( N = 983 )

Jun ( N = 939 )

Jul ( N = 982 )

Aug ( N = 765 )

Sep ( N = 1107 )

Oct ( N = 1143 )

Nov ( N = 1096 )

Dec ( N = 1085 )