Jan ( N = 86 )

Feb ( N = 55 )

Mar ( N = 49 )

Apr ( N = 55 )

May ( N = 46 )

Jun ( N = 52 )

Jul ( N = 50 )

Aug ( N = 40 )

Sep ( N = 50 )

Oct ( N = 64 )

Nov ( N = 80 )

Dec ( N = 56 )