Jan ( N = 265 )

Feb ( N = 270 )

Mar ( N = 364 )

Apr ( N = 398 )

May ( N = 460 )

Jun ( N = 424 )

Jul ( N = 458 )

Aug ( N = 423 )

Sep ( N = 354 )

Oct ( N = 316 )

Nov ( N = 189 )

Dec ( N = 266 )