Jan ( N = 2329 )

Feb ( N = 2202 )

Mar ( N = 2356 )

Apr ( N = 2021 )

May ( N = 2354 )

Jun ( N = 2279 )

Jul ( N = 2355 )

Aug ( N = 2356 )

Sep ( N = 2115 )

Oct ( N = 2354 )

Nov ( N = 2072 )

Dec ( N = 2355 )