Jan ( N = 38 )

Feb ( N = 35 )

Mar ( N = 62 )

Apr ( N = 59 )

May ( N = 62 )

Jun ( N = 59 )

Jul ( N = 62 )

Aug ( N = 108 )

Sep ( N = 342 )

Oct ( N = 358 )

Nov ( N = 346 )

Dec ( N = 332 )