Jan ( N = 86 )

Feb ( N = 55 )

Mar ( N = 50 )

Apr ( N = 53 )

May ( N = 42 )

Jun ( N = 47 )

Jul ( N = 42 )

Aug ( N = 35 )

Sep ( N = 52 )

Oct ( N = 64 )

Nov ( N = 80 )

Dec ( N = 53 )