Jan ( N = 322 )

Feb ( N = 320 )

Mar ( N = 355 )

Apr ( N = 357 )

May ( N = 416 )

Jun ( N = 409 )

Jul ( N = 412 )

Aug ( N = 274 )

Sep ( N = 399 )

Oct ( N = 410 )

Nov ( N = 388 )

Dec ( N = 305 )