Wicked Reports is able to report subscription revenue, and distinguish between initial orders and subsequent rebills, if certain conditions are met.
Most critically, is that your order source must provide a unique subscription ID string as part of the order information that is submitted each day. The value must be provided with the initial sale as well as all subsequent rebills, and it must be the same unique subscription identifier with every order that is part of the subscription string.
If you're order source cannot provide this unique subscription ID from the very first order on, Wicked Reports will not be able to distinguish between one-time or initial subscription orders and the subsequent rebills that will occur as a result of the subscription.
Subscriptions that are properly classified as subscriptions in Wicked Reports will appear like this on the Contact's profile, found in the Customer LTV Report: