That figure is arguably the most robust measure released to date by the Obama administration of how many Americans are successfully applying for financial help in purchasing a private insurance plan.

Calculations of financial assistance is a step that follows filing an application and tells applicants how much of a tax credit–if any–they can use to purchase a private health plan. This figure does not include shoppers who were found to likely qualify for Medicaid earlier in the shopping process.

It also does not measure enrollment in health-law programs. The White House has said it will not release that information until next month.

The IRS said it has also received and responded to more than 1.3 million requests from the marketplace for personal data used to apply for Affordable Care Act programs, such as household income and family size.