$13.8 trillion.

econguru.com

Current GDP, GNP of United States and other countries

13,843,825

wisegeek.com

What is the United States GDP?

In 2007, the United States GDP was estimated as $13.8 trillion USD.

$15.0 trillion

Wolfram Alpha

what is the gdp of the united states - Wolfram|Alpha

$15.02 trillion per year (US dollars per year) (Q1 2011)

$14.7 trillion

Wikipedia

List of countries by GDP (nominal) - Wikipedia, the free encyclopedia

14,657,800

CIA (United States Central Intelligence Agency)

CIA - The World Factbook -- United StatesCIA - The World FactbookCIA - The World FactbookCIA - The World Factbook

$14.66 trillion (2010 est.)

CIA - The World Factbook -- United StatesCIA - The World FactbookCIA - The World FactbookCIA - The World Factbook

$14.72 trillion (2010 est.)

$14.1 trillion

Wikipedia

List of countries by GDP (nominal) - Wikipedia, the free encyclopedia

14,119,000

$0.014 trillion.

U.S. News & World Reports (magazine)

Democrats Lost Because of Unemployment, Not Spending - Brad Bannon (usnews.com)

But the president could have put everything else on the back burner while he focused on the economy like a laser beam and proposed a stimulus package in early 2009 that had been large enough to jump-start a $14 billion GNP.

$13.2 trillion

bsu.edu

United States Quarterly GDP

13248.7

$14.6 trillion

Wikipedia

List of countries by GDP (nominal) - Wikipedia, the free encyclopedia

14,624,184

List of countries by GDP (nominal) - Wikipedia, the free encyclopedia

14,620,000

$14.8 trillion

data360.org

GDP United States

14,870.4