Jan ( N = 494 )

Feb ( N = 472 )

Mar ( N = 516 )

Apr ( N = 380 )

May ( N = 365 )

Jun ( N = 510 )

Jul ( N = 466 )

Aug ( N = 432 )

Sep ( N = 367 )

Oct ( N = 388 )

Nov ( N = 234 )

Dec ( N = 334 )