Jan ( N = 493 )

Feb ( N = 460 )

Mar ( N = 466 )

Apr ( N = 285 )

May ( N = 438 )

Jun ( N = 480 )

Jul ( N = 496 )

Aug ( N = 495 )

Sep ( N = 478 )

Oct ( N = 219 )

Nov ( N = 30 )

Dec ( N = 324 )