Jan ( N = 597 )

Feb ( N = 580 )

Mar ( N = 613 )

Apr ( N = 603 )

May ( N = 589 )

Jun ( N = 579 )

Jul ( N = 599 )

Aug ( N = 618 )

Sep ( N = 591 )

Oct ( N = 618 )

Nov ( N = 596 )

Dec ( N = 552 )