Jan ( N = 589 )

Feb ( N = 554 )

Mar ( N = 422 )

Apr ( N = 593 )

May ( N = 619 )

Jun ( N = 584 )

Jul ( N = 545 )

Aug ( N = 465 )

Sep ( N = 601 )

Oct ( N = 618 )

Nov ( N = 548 )

Dec ( N = 619 )