Jan ( N = 522 )

Feb ( N = 519 )

Mar ( N = 643 )

Apr ( N = 694 )

May ( N = 769 )

Jun ( N = 787 )

Jul ( N = 789 )

Aug ( N = 741 )

Sep ( N = 653 )

Oct ( N = 598 )

Nov ( N = 338 )

Dec ( N = 480 )