Jan ( N = 299 )

Feb ( N = 293 )

Mar ( N = 326 )

Apr ( N = 331 )

May ( N = 395 )

Jun ( N = 427 )

Jul ( N = 468 )

Aug ( N = 335 )

Sep ( N = 377 )

Oct ( N = 346 )

Nov ( N = 297 )

Dec ( N = 278 )