Jan ( N = 297 )

Feb ( N = 280 )

Mar ( N = 338 )

Apr ( N = 409 )

May ( N = 442 )

Jun ( N = 322 )

Jul ( N = 489 )

Aug ( N = 445 )

Sep ( N = 352 )

Oct ( N = 364 )

Nov ( N = 256 )

Dec ( N = 228 )