Jan ( N = 260 )

Feb ( N = 359 )

Mar ( N = 398 )

Apr ( N = 313 )

May ( N = 383 )

Jun ( N = 383 )

Jul ( N = 392 )

Aug ( N = 354 )

Sep ( N = 383 )

Oct ( N = 382 )

Nov ( N = 355 )

Dec ( N = 394 )