Jan ( N = 2263 )

Feb ( N = 2107 )

Mar ( N = 2259 )

Apr ( N = 2190 )

May ( N = 2240 )

Jun ( N = 2182 )

Jul ( N = 2260 )

Aug ( N = 2258 )

Sep ( N = 2190 )

Oct ( N = 2256 )

Nov ( N = 2189 )

Dec ( N = 2263 )