The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Nigeria
$33.32 billion (31 December 2009)
$49.8 billion (31 December 2008)
$86.35 billion (31 December 2007)

Norway
$227.2 billion (31 December 2009)
$125.9 billion (31 December 2008)
$357.4 billion (31 December 2007)

Oman
$17.3 billion (31 December 2009)
$14.91 billion (31 December 2008)
$23.06 billion (31 December 2007)

Pakistan
$33.24 billion (31 December 2009)
$23.49 billion (31 December 2008)
$70.26 billion (31 December 2007)

Palau
$NA

Panama
$8.048 billion (31 December 2009)
$6.568 billion (31 December 2008)
$6.219 billion (31 December 2007)

Papua New Guinea
$NA (31 December 2008)
$NA (31 December 2007)
$6.632 billion (31 December 2006)

Paraguay
$NA (31 December 2008)
$NA (31 December 2007)
$409.1 million (31 December 2006)

Peru
$69.75 billion (31 December 2009)
$55.63 billion (31 December 2008)
$106 billion (31 December 2007)

Philippines
$80.13 billion (31 December 2009)
$85.63 billion (31 December 2008)
$172.5 billion (31 December 2007)