Jan ( N = 1740 )

Mar ( N = 367 )

Apr ( N = 2308 )

May ( N = 2286 )

Jun ( N = 2254 )

Jul ( N = 2381 )

Aug ( N = 2322 )

Sep ( N = 2135 )

Oct ( N = 2268 )

Nov ( N = 2242 )

Dec ( N = 2386 )