The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Bhutan
$836 million (2009)
$713.3 million (2006)

Bolivia
$6.13 billion (31 December 2010 est.)
$5.653 billion (31 December 2009 est.)

Bosnia and Herzegovina
$7.996 billion (31 December 2010 est.)
$8.048 billion (31 December 2009 est.)

Botswana
$2.222 billion (31 December 2010 est.)
$1.681 billion (31 December 2009 est.)

Brazil
$310.8 billion (31 December 2010 est.)
$273.7 billion (31 December 2009 est.)

British Virgin Islands
$36.1 million (1997)

Brunei
$0 (2005)

Bulgaria
$36.15 billion (31 December 2010 est.)
$39.56 billion (31 December 2009 est.)

Burkina Faso
$2.002 billion (31 December 2010 est.)
$1.784 billion (31 December 2009 est.)

Burma
$7.145 billion (31 December 2010 est.)
$7.079 billion (31 December 2009 est.)