Jan ( N = 283 )

Feb ( N = 286 )

Mar ( N = 277 )

Apr ( N = 370 )

May ( N = 391 )

Jun ( N = 415 )

Jul ( N = 423 )

Aug ( N = 411 )

Sep ( N = 377 )

Oct ( N = 348 )

Nov ( N = 221 )

Dec ( N = 279 )