Jan ( N = 612 )

Feb ( N = 696 )

Mar ( N = 566 )

Apr ( N = 641 )

May ( N = 352 )

Jun ( N = 631 )

Jul ( N = 747 )

Aug ( N = 927 )

Sep ( N = 730 )

Oct ( N = 532 )

Nov ( N = 439 )

Dec ( N = 562 )