Jan ( N = 391 )

Feb ( N = 366 )

Mar ( N = 333 )

Apr ( N = 366 )

May ( N = 384 )

Jun ( N = 328 )

Jul ( N = 295 )

Aug ( N = 336 )

Sep ( N = 287 )

Oct ( N = 322 )

Nov ( N = 305 )

Dec ( N = 297 )