Custom Field Tally is a module integrated with DT Register©. DT Register is a feature rich Joomla registration component. It integrates with JEvents©. With Custom Field Tally, you can display the totals for custom fields entered into DT Register. With registration totals for special items chosen during registration, you can get the number of people signed up for these items. As suggested by Nathan there is an event selection pull down to choose the event to display!
Here is the original:
DTRegFieldStats for DT Register