Jan ( N = 291 )

Feb ( N = 422 )

Mar ( N = 433 )

Apr ( N = 427 )

May ( N = 701 )

Jun ( N = 732 )

Jul ( N = 602 )

Aug ( N = 448 )

Sep ( N = 817 )

Oct ( N = 511 )

Nov ( N = 587 )

Dec ( N = 647 )