Jan ( N = 2312 )

Feb ( N = 2148 )

Mar ( N = 2249 )

Apr ( N = 2241 )

May ( N = 2061 )

Jun ( N = 2173 )

Jul ( N = 2212 )

Aug ( N = 2355 )

Sep ( N = 2160 )

Oct ( N = 2315 )

Nov ( N = 2144 )

Dec ( N = 2238 )