Jan ( N = 284 )

Feb ( N = 305 )

Mar ( N = 341 )

Apr ( N = 322 )

May ( N = 340 )

Jun ( N = 330 )

Jul ( N = 341 )

Aug ( N = 330 )

Sep ( N = 295 )

Oct ( N = 341 )

Nov ( N = 325 )

Dec ( N = 295 )