Jan ( N = 378 )

Feb ( N = 151 )

Mar ( N = 368 )

Apr ( N = 327 )

May ( N = 294 )

Jun ( N = 240 )

Jul ( N = 160 )

Aug ( N = 252 )

Sep ( N = 400 )

Oct ( N = 417 )

Nov ( N = 400 )

Dec ( N = 319 )