Jan ( N = 744 )

Feb ( N = 684 )

Mar ( N = 505 )

Apr ( N = 482 )

May ( N = 505 )

Jun ( N = 494 )

Jul ( N = 511 )

Aug ( N = 509 )

Sep ( N = 491 )

Oct ( N = 506 )

Nov ( N = 488 )

Dec ( N = 508 )