Won Customers is the count of new accounts that are “Closed Won”. It is a measure of success of the Sales, Marketing, and increasingly Product teams. "Closed Won" is the stage at which a prospect has signed or electronically accepted a contract and is now considered a customer. Counter to Won Opportunities, Won Customers only applies to the Account once, whereas you can have multiple Opportunities per Account.

Years Since Founding is a scale metric that measures the number of years since the company has been founded.