hit $21 billion in 2015 CNBC.com hit $21 billion $21 billion $21 billion expected to hit $21 billion this year hit $21 billion in 2015 expects fraud to hit $21 billion this year hit $21 billion in 2015 fraudulently filed tax returns hit $21 billion in 2015 hit $21 billion increasing number of false tax filings CNBC.com $21 billion hit $21 billion CNBC hit $21 billion in 2015 $21 billion $21 billion hit $21 billion in 2015 This incident got beat out of $16 billion in fraudulent tax returns $21 billion hit $21 billion in 2015 learned this the hard way $21 billion $21 billion by 2016 hit $21 billion in 2015 This incident expected to hit $21 billion this year billions of dollars a year learned this the hard way CNBC expected to hit $21 billion $21 Billion estimated tax fraud this season will hit a whopping $21 billion fraudulently filed tax returns CNBC hit $21 billion in 2015 fraudulently filed tax returns hit $21 billion in 2015