Jan ( N = 293 )

Feb ( N = 306 )

Mar ( N = 341 )

Apr ( N = 295 )

May ( N = 327 )

Jun ( N = 327 )

Jul ( N = 309 )

Aug ( N = 336 )

Sep ( N = 327 )

Oct ( N = 341 )

Nov ( N = 324 )

Dec ( N = 337 )