Jan ( N = 294 )

Feb ( N = 331 )

Mar ( N = 369 )

Apr ( N = 357 )

May ( N = 270 )

Jun ( N = 348 )

Jul ( N = 372 )

Aug ( N = 372 )

Sep ( N = 360 )

Oct ( N = 371 )

Nov ( N = 360 )

Dec ( N = 364 )