Jan ( N = 524 )

Feb ( N = 698 )

Mar ( N = 800 )

Apr ( N = 630 )

May ( N = 409 )

Jun ( N = 160 )

Jul ( N = 180 )

Aug ( N = 190 )

Sep ( N = 258 )

Oct ( N = 337 )

Nov ( N = 383 )

Dec ( N = 421 )