Jan ( N = 295 )

Feb ( N = 290 )

Mar ( N = 308 )

Apr ( N = 300 )

May ( N = 310 )

Jun ( N = 300 )

Jul ( N = 374 )

Aug ( N = 463 )

Sep ( N = 325 )

Oct ( N = 592 )

Nov ( N = 575 )

Dec ( N = 589 )