Jan ( N = 2381 )

Feb ( N = 2154 )

Mar ( N = 2386 )

Apr ( N = 2309 )

May ( N = 2382 )

Jun ( N = 2246 )

Jul ( N = 2122 )

Aug ( N = 2358 )

Sep ( N = 2307 )

Oct ( N = 2369 )

Nov ( N = 2294 )

Dec ( N = 2382 )