Jan ( N = 520 )

Feb ( N = 536 )

Mar ( N = 678 )

Apr ( N = 678 )

May ( N = 697 )

Jun ( N = 659 )

Jul ( N = 674 )

Aug ( N = 718 )

Sep ( N = 665 )

Oct ( N = 754 )

Nov ( N = 680 )

Dec ( N = 600 )