The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Benin
$1.222 billion (31 December 2010 est.)
$1.269 billion (31 December 2009 est.)

Bhutan
$NA (31 December 2008)
$169.9 million (31 December 2007 est.)

Bolivia
$8.314 billion (31 December 2008 est.)
$7.233 billion (31 December 2007 est.)

Bosnia and Herzegovina
$10.09 billion (31 December 2010 est.)
$10.01 billion (31 December 2009 est.)

Botswana
$1.361 billion (31 December 2008 est.)
$2.06 billion (31 December 2007 est.)

Brazil
$2.104 trillion (31 December 2010 est.)
$1.542 trillion (31 December 2009 est.)

Brunei
$1.274 billion (31 December 2008 est.)
$2.38 billion (31 December 2007 est.)

Bulgaria
$34.54 billion (31 December 2010 est.)
$33.89 billion (31 December 2009 est.)

Burkina Faso
$1.373 billion (31 December 2010 est.)
$1.236 billion (31 December 2009 est.)

Burma
$8.552 billion (31 December 2010 est.)
$6.858 billion (31 December 2009 est.)