Jan ( N = 2314 )

Feb ( N = 2146 )

Mar ( N = 2252 )

Apr ( N = 2241 )

May ( N = 2064 )

Jun ( N = 2163 )

Jul ( N = 2214 )

Aug ( N = 2352 )

Sep ( N = 2159 )

Oct ( N = 2315 )

Nov ( N = 2142 )

Dec ( N = 2237 )