Jan ( N = 54 )

Feb ( N = 55 )

Mar ( N = 49 )

Apr ( N = 45 )

May ( N = 34 )

Jun ( N = 40 )

Jul ( N = 25 )

Aug ( N = 12 )

Sep ( N = 19 )

Oct ( N = 47 )

Nov ( N = 27 )

Dec ( N = 24 )