Numbers don't lie and what the IRS is tell us is that there was a significant increase in the number of individual tax returns which where filed in 2012, as compared to 2009.
Nearly 143 million individual income tax returns were filed for Tax Year 2010, an increase of 1.7 percent from 140.5 million returns filed for 2009. The adjusted gross income (AGI) reported on these returns totaled $8.1 trillion, a 6.1-percent increase from the previous year.