Tax season may be gone, but it never hurts to stay informed. Desperate times may call for desperate measures, but Mint.com's infographic on taxes in the United States estimates that over 1/8 of American evade taxes each year, accounting for hundreds of billions in lost national revenue and 2.6% of the national GDP. Because it takes so long to do your taxes, most taxpayers hire someone else to do it. Did you do your taxes this year?