Jan ( N = 432 )

Feb ( N = 388 )

Mar ( N = 432 )

Apr ( N = 418 )

May ( N = 430 )

Jun ( N = 416 )

Jul ( N = 320 )

Aug ( N = 344 )

Sep ( N = 257 )

Oct ( N = None )

Nov ( N = None )

Dec ( N = None )