Jan ( N = 418 )

Feb ( N = 336 )

Mar ( N = 432 )

Apr ( N = 420 )

May ( N = 383 )

Jun ( N = 370 )

Jul ( N = 424 )

Aug ( N = 414 )

Sep ( N = 417 )

Oct ( N = 284 )

Nov ( N = 260 )

Dec ( N = 432 )