Jan ( N = 296 )

Feb ( N = 290 )

Mar ( N = 380 )

Apr ( N = 392 )

May ( N = 476 )

Jun ( N = 420 )

Jul ( N = 459 )

Aug ( N = 355 )

Sep ( N = 378 )

Oct ( N = 331 )

Nov ( N = 287 )

Dec ( N = 232 )