Jan ( N = 394 )

Feb ( N = 328 )

Mar ( N = 392 )

Apr ( N = 555 )

May ( N = 517 )

Jun ( N = 473 )

Jul ( N = 466 )

Aug ( N = 477 )

Sep ( N = 436 )

Oct ( N = 354 )

Nov ( N = 270 )

Dec ( N = 286 )