Jan ( N = 2971 )

Feb ( N = 2719 )

Mar ( N = 2381 )

Apr ( N = 2882 )

May ( N = 2976 )

Jun ( N = 2867 )

Jul ( N = 2970 )

Aug ( N = 2974 )

Sep ( N = 2880 )

Oct ( N = 2976 )

Nov ( N = 2880 )

Dec ( N = 2969 )