Jan ( N = 496 )

Feb ( N = 448 )

Mar ( N = 494 )

Apr ( N = 479 )

May ( N = 492 )

Jun ( N = 448 )

Jul ( N = 235 )

Aug ( N = 124 )

Sep ( N = 119 )

Oct ( N = 124 )

Nov ( N = 371 )

Dec ( N = 557 )