Jan ( N = 215 )

Feb ( N = 237 )

Mar ( N = 246 )

Apr ( N = 224 )

May ( N = 218 )

Jun ( N = 141 )

Jul ( N = 308 )

Aug ( N = 274 )

Sep ( N = 290 )

Oct ( N = 308 )

Nov ( N = 280 )

Dec ( N = 304 )