Jan ( N = 349 )

Feb ( N = 373 )

Mar ( N = 391 )

Apr ( N = 340 )

May ( N = 403 )

Jun ( N = 390 )

Jul ( N = 383 )

Aug ( N = 337 )

Sep ( N = 327 )

Oct ( N = 309 )

Nov ( N = 330 )

Dec ( N = 339 )