Jan ( N = 941 )

Feb ( N = 2364 )

Mar ( N = 2633 )

Apr ( N = 2486 )

May ( N = 2635 )

Jun ( N = 2518 )

Jul ( N = 2599 )

Aug ( N = 2412 )

Sep ( N = 2435 )

Oct ( N = 2622 )

Nov ( N = 2550 )

Dec ( N = 2608 )