Jan ( N = 371 )

Feb ( N = 413 )

Mar ( N = 372 )

Apr ( N = 360 )

May ( N = 489 )

Jun ( N = 348 )

Jul ( N = 373 )

Aug ( N = 370 )

Sep ( N = 351 )

Oct ( N = 372 )

Nov ( N = 360 )

Dec ( N = 372 )