Jan ( N = 233 )

Feb ( N = 267 )

Mar ( N = 277 )

Apr ( N = 272 )

May ( N = 407 )

Jun ( N = 370 )

Jul ( N = 434 )

Aug ( N = 360 )

Sep ( N = 356 )

Oct ( N = 343 )

Nov ( N = 298 )

Dec ( N = 256 )