Jan ( N = 941 )

Feb ( N = 2368 )

Mar ( N = 2633 )

Apr ( N = 2500 )

May ( N = 2635 )

Jun ( N = 2435 )

Jul ( N = 2600 )

Aug ( N = 2416 )

Sep ( N = 2436 )

Oct ( N = 2625 )

Nov ( N = 2550 )

Dec ( N = 2609 )