Jan ( N = 55 )

Feb ( N = 398 )

Mar ( N = 148 )

Apr ( N = 53 )

May ( N = 46 )

Jun ( N = 259 )

Jul ( N = 40 )

Aug ( N = 527 )

Sep ( N = 28 )

Oct ( N = 12 )

Nov ( N = 33 )

Dec ( N = 18 )