The metric of the cohorts analysis shows, how the total order value developed per month since the first visit.
Use the metric with the dimension "Cohorts (Monthly)".
Month 0 =The cumulated order value within the first 29 days.
Month 1 =The cumulated order value until the 59th day since the first visit.
Extensive information on cohorts in Webtrekk can be found in the corresponding training chapter.