This month (December) you have so far used 0.0 GB (0%) of your allowance of 0 GB
SELECT cust_mark, date_time, SUM(down_bytes) AS down_b, SUM(up_bytes) AS up_b, SUM(down_packets) AS down_p, SUM(up_packets) AS up_p FROM _5mins WHERE cust_mark = '' AND date_time >= DATE_SUB('2024-12-22 00:00:00', INTERVAL 0 DAY) GROUP BY cust_mark, date_time ORDER BY date_time