Jan ( N = 464 )

Feb ( N = 416 )

Mar ( N = 465 )

Apr ( N = 447 )

May ( N = 465 )

Jun ( N = 443 )

Jul ( N = 464 )

Aug ( N = 449 )

Sep ( N = 448 )

Oct ( N = 461 )

Nov ( N = 444 )

Dec ( N = 455 )