Jan ( N = 2306 )

Feb ( N = 2149 )

Mar ( N = 2306 )

Apr ( N = 2230 )

May ( N = 2094 )

Jun ( N = 2253 )

Jul ( N = 2247 )

Aug ( N = 2369 )

Sep ( N = 2225 )

Oct ( N = 2286 )

Nov ( N = 2006 )

Dec ( N = 2217 )