Jan ( N = 396 )

Feb ( N = 392 )

Mar ( N = 428 )

Apr ( N = 416 )

May ( N = 430 )

Jun ( N = 400 )

Jul ( N = 430 )

Aug ( N = 105 )

Sep ( N = 185 )

Oct ( N = 409 )

Nov ( N = 400 )

Dec ( N = 434 )