Jan ( N = None )

Feb ( N = 132 )

Mar ( N = 540 )

Apr ( N = 769 )

May ( N = 826 )

Jun ( N = 797 )

Jul ( N = 765 )

Aug ( N = 795 )

Sep ( N = 527 )

Oct ( N = 311 )

Nov ( N = 416 )

Dec ( N = 755 )