Jan ( N = 611 )

Feb ( N = 517 )

Mar ( N = 479 )

Apr ( N = 474 )

May ( N = 538 )

Jun ( N = 619 )

Jul ( N = 580 )

Aug ( N = 665 )

Sep ( N = 649 )

Oct ( N = 673 )

Nov ( N = 667 )

Dec ( N = 687 )