Jan ( N = 2356 )

Feb ( N = 2199 )

Mar ( N = 2354 )

Apr ( N = 2280 )

May ( N = 2318 )

Jun ( N = 2269 )

Jul ( N = 2082 )

Aug ( N = 2348 )

Sep ( N = 2266 )

Oct ( N = 2347 )

Nov ( N = 2267 )

Dec ( N = 2352 )