During the 2012 fiscal year, the IRS conducted audits on more than 1 million individuals for a 1.03% coverage rate. Business examinations increased in all categories with the largest increases occurring for flow-through entities. For the largest corporations, audit rates were greater than 20%. For the third year in a row, the IRS collected more than $50 billion in enforcement revenue. Electronic filings by individuals were greater than 80% for the first time. IRS Performance tables are available at www.irs.gov/uac/Newsroom/FY-2012-Enforcement-and-Service-Results .