Jan ( N = 678 )

Feb ( N = 966 )

Mar ( N = 1209 )

Apr ( N = 1123 )

May ( N = 1210 )

Jun ( N = 1145 )

Jul ( N = 1165 )

Aug ( N = 1209 )

Sep ( N = 1166 )

Oct ( N = 1208 )

Nov ( N = 1169 )

Dec ( N = 625 )