Jan ( N = 397 )

Feb ( N = 343 )

Mar ( N = 426 )

Apr ( N = 418 )

May ( N = 398 )

Jun ( N = 420 )

Jul ( N = 434 )

Aug ( N = 434 )

Sep ( N = 418 )

Oct ( N = 430 )

Nov ( N = 420 )

Dec ( N = 407 )