Jan ( N = 242 )

Feb ( N = 224 )

Mar ( N = 218 )

Apr ( N = 113 )

May ( N = 73 )

Jun ( N = 159 )

Jul ( N = 196 )

Aug ( N = 214 )

Sep ( N = 55 )

May ( N = None )

Jun ( N = 60 )

Jul ( N = 166 )

Aug ( N = 216 )

Sep ( N = 230 )

Oct ( N = 232 )

Nov ( N = 224 )

Dec ( N = 242 )