Jan ( N = 285 )

Feb ( N = 251 )

Mar ( N = 253 )

Apr ( N = 224 )

May ( N = 480 )

Jun ( N = 392 )

Jul ( N = 373 )

Aug ( N = 322 )

Sep ( N = 361 )

Oct ( N = 298 )

Nov ( N = 297 )

Dec ( N = 274 )