Jan ( N = 84 )

Feb ( N = 98 )

Mar ( N = 246 )

Apr ( N = 192 )

May ( N = 234 )

Jun ( N = 200 )

Jul ( N = 211 )

Aug ( N = 203 )

Sep ( N = 220 )

Oct ( N = 235 )

Nov ( N = 236 )

Dec ( N = 245 )