Jan ( N = 47 )

Feb ( N = 434 )

Mar ( N = 1942 )

Apr ( N = 2275 )

May ( N = 2373 )

Jun ( N = 2266 )

Jul ( N = 2344 )

Aug ( N = 2346 )

Sep ( N = 2287 )

Oct ( N = 2285 )

Nov ( N = 2213 )

Dec ( N = 1784 )