These are numbers reported from Wikipedia and they look to be close to what I can find.
It is virtually impossible to get any sensible numbers from any government documents. Total Receipts Estimated receipts for fiscal year 2007 are pluralplural20 billion dollars on it, Look at the list. So here is the question. Is that what America is mostly about? Dr. Paul is right! Besides, we don’t need to replace the Income Tax. Whenever minding our own business and reducing the Federal government to its proper role allows the STATES to provide for themselves, Adhering to a sensible spending policy. On top of this, that is freedom, That is what the Founding Fathers intended.
Reference link. US Federal Budget 2007 from Wikipedia Reference link.