Jan ( N = 324 )

Feb ( N = 264 )

Mar ( N = 123 )

Apr ( N = 13 )

May ( N = 800 )

Jun ( N = 1170 )

Jul ( N = 1209 )

Aug ( N = 1208 )

Sep ( N = 1170 )

Oct ( N = 1132 )

Nov ( N = 1170 )

Dec ( N = 1207 )