Jan ( N = 2977 )

Feb ( N = 2661 )

Mar ( N = 2975 )

Apr ( N = 2879 )

May ( N = 2976 )

Jun ( N = 2880 )

Jul ( N = 2977 )

Aug ( N = 2966 )

Sep ( N = 2880 )

Oct ( N = 2699 )

Nov ( N = 2879 )

Dec ( N = 2880 )