Jan ( N = 106 )

Feb ( N = 147 )

Mar ( N = 233 )

Apr ( N = 207 )

May ( N = 219 )

Jun ( N = 202 )

Jul ( N = 196 )

Aug ( N = 227 )

Sep ( N = 109 )

Oct ( N = 220 )

Nov ( N = 105 )

Dec ( N = 101 )