Jan ( N = 56 )

Feb ( N = 49 )

Mar ( N = 36 )

Apr ( N = 46 )

May ( N = 67 )

Jun ( N = 67 )

Jul ( N = 78 )

Aug ( N = 69 )

Sep ( N = 58 )

Oct ( N = 62 )

Nov ( N = 66 )

Dec ( N = 64 )