Jan ( N = 580 )

Feb ( N = 533 )

Mar ( N = 673 )

Apr ( N = 739 )

May ( N = 811 )

Jun ( N = 808 )

Jul ( N = 795 )

Aug ( N = 633 )

Sep ( N = 663 )

Oct ( N = 623 )

Nov ( N = 490 )

Dec ( N = 516 )