Jan ( N = 86 )

Feb ( N = 60 )

Mar ( N = 234 )

Apr ( N = 193 )

May ( N = 124 )

Jun ( N = 144 )

Jul ( N = 126 )

Aug ( N = 80 )

Sep ( N = 221 )

Oct ( N = 230 )

Nov ( N = 234 )

Dec ( N = 247 )