"local_date","messages_sent_morning_countmostfrequentcontact","messages_sent_morning_count","messages_sent_morning_distinctcontacts","messages_sent_morning_timefirstmessage","messages_sent_morning_timelastmessage"
"2020-05-28",1,2,2,388,654
"2020-05-29",1,2,2,388,654