Jan ( N = 2354 )

Feb ( N = 2097 )

Mar ( N = 2283 )

Apr ( N = 2280 )

May ( N = 2355 )

Jun ( N = 2265 )

Jul ( N = 2338 )

Aug ( N = 2348 )

Sep ( N = 2256 )

Oct ( N = 2227 )

Nov ( N = 2269 )

Dec ( N = 2348 )