Jan ( N = 2352 )

Feb ( N = 1631 )

Mar ( N = 2362 )

Apr ( N = 2267 )

May ( N = 1470 )

Jun ( N = 2224 )

Jul ( N = 2304 )

Aug ( N = 1567 )

Sep ( N = 1994 )

Oct ( N = 2293 )

Nov ( N = 2180 )

Dec ( N = 2273 )