Jan ( N = 2168 )

Feb ( N = 2002 )

Mar ( N = 2178 )

Apr ( N = 2134 )

May ( N = 2234 )

Jun ( N = 2168 )

Jul ( N = 2203 )

Aug ( N = 2228 )

Sep ( N = 2182 )

Oct ( N = 1652 )

Nov ( N = 2167 )

Dec ( N = 2240 )