F. George McDuffee wrote:

Morning Edition, January 9, 2009 · The federal government, which
tracks the amount of money it prints, says $900 billion of its
currency is in circulation. While experts have determined that
fully half of those U.S. dollars are being held in other
countries, a lot of cash is unaccounted for.


Might be a million or so below water right now near Somalia.

Wes