Jan ( N = 294 )

Feb ( N = 290 )

Mar ( N = 310 )

Apr ( N = 388 )

May ( N = 438 )

Jun ( N = 338 )

Jul ( N = 511 )

Aug ( N = 407 )

Sep ( N = 400 )

Oct ( N = 398 )

Nov ( N = 291 )

Dec ( N = 225 )