Something like this, perhaps? http://www.wolframalpha.com/input/?i=national+ener...

		dredmorbius on Aug 3, 2011 \| parent \| context \| favorite \| on: Galactic-Scale Energy Something like this, perhaps? http://www.wolframalpha.com/input/?i=national+energy+consump... (I'm still getting the hang of Wolfram\|Alpha, but it's excellent for questions such as this).