Jan ( N = 86 )

Feb ( N = 78 )

Mar ( N = 150 )

Apr ( N = 585 )

May ( N = 711 )

Jun ( N = 667 )

Jul ( N = 664 )

Aug ( N = 638 )

Sep ( N = 461 )

Oct ( N = 534 )

Nov ( N = 151 )

Dec ( N = 25 )