Navigate to WordPress Admin Panel → Woocommerce → Referral
You will be able to notice quite a few tabs on this page. At the top of the page you will notice 4 statistic boxes.
Total registered users on the website.
Total users who joined the referral program.
The total earned points by all the users
Total spent/redeemed points by all the users.
The administrator can easily view latest statistics of registered referrals and their earned credits along with redeemed credits till the current date.