Jan ( N = 424 )

Feb ( N = 430 )

Mar ( N = 437 )

Apr ( N = 465 )

May ( N = 445 )

Jun ( N = 509 )

Jul ( N = 472 )

Aug ( N = 432 )

Sep ( N = 405 )

Oct ( N = 393 )

Nov ( N = 354 )

Dec ( N = 397 )