The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Benin
$1.254 billion (31 December 2010 est.)
$1.23 billion (31 December 2009 est.)

Bolivia
$8.739 billion (31 December 2010 est.)
$8.581 billion (31 December 2009 est.)

Bosnia and Herzegovina
$2.8 billion (31 December 2010 est.)
$3.245 billion (31 December 2009 est.)

Botswana
$7.834 billion (31 December 2010 est.)
$8.704 billion (31 December 2009 est.)

Brazil
$290.9 billion (31 December 2010 est.)
$238.5 billion (31 December 2009 est.)

Bulgaria
$15.07 billion (31 December 2010 est.)
$18.53 billion (31 December 2009 est.)

Burkina Faso
$1.588 billion (31 December 2010 est.)
$1.296 billion (31 December 2009 est.)

Burma
$3.762 billion (31 December 2010 est.)
$3.561 billion (31 December 2009 est.)

Burundi
$320 million (31 December 2010 est.)
$323 million (31 December 2009 est.)

Cambodia
$3.84 billion (31 December 2010 est.)
$3.289 billion (31 December 2009 est.)