Total revenues and outlays under <a href="https://en.wikipedia.org/wiki/Congressional_Budget_Office" class="extiw" title="w:Congressional Budget Office">CBO</a>'s March 2011 baseline and CBO’s estimate of the president’s budget
Congressional Budget Office
<a rel="nofollow" class="external text" href="http://www.cbo.gov/publication/22087">An Analysis of the President's Budgetary Proposals for Fiscal Year 2012</a> (<a rel="nofollow" class="external text" href="http://www.cbo.gov/sites/default/files/cbofiles/ftpdocs/121xx/doc12130/04-15-analysispresidentsbudget.pdf">PDF</a>), Fig. 1-2 (p. 8)