Jan ( N = 2355 )

Feb ( N = 2202 )

Mar ( N = 2356 )

Apr ( N = 2265 )

May ( N = 2286 )

Jun ( N = 2105 )

Jul ( N = 2082 )

Aug ( N = 2213 )

Sep ( N = 2243 )

Oct ( N = 2356 )

Nov ( N = 2280 )

Dec ( N = 2355 )