Jan ( N = 206 )

Feb ( N = 106 )

Mar ( N = 12 )

Apr ( N = 355 )

May ( N = 531 )

Jun ( N = 470 )

Jul ( N = 315 )

Aug ( N = 355 )

Sep ( N = 499 )

Oct ( N = 510 )

Nov ( N = 457 )

Dec ( N = 487 )