Jan ( N = 300 )

Feb ( N = 625 )

Mar ( N = 707 )

Apr ( N = 625 )

May ( N = 423 )

Jun ( N = 291 )

Jul ( N = 354 )

Aug ( N = 494 )

Sep ( N = 465 )

Oct ( N = 740 )

Nov ( N = 583 )

Dec ( N = 397 )