Jan ( N = 396 )

Feb ( N = 383 )

Mar ( N = 421 )

Apr ( N = 419 )

May ( N = 430 )

Jun ( N = 414 )

Jul ( N = 426 )

Aug ( N = 427 )

Sep ( N = 416 )

Oct ( N = 427 )

Nov ( N = 375 )

Dec ( N = 408 )