How can I know, that how many accounts of different plans and payment periods were created over the specified period of time.

With your admin plans, you can view Daily Financial Report. These Generates reports about how many accounts of different plans and payment periods were created over the specified period of time. They also Calculates how much money was paid for the accounts and approximates these payments to one year’s period.
They Shows how many accounts were cancelled and how much money was refunded over the specified period of time. Also, calculates resulting approximated annual losses as difference between approximated lost annual payments and received payments.