Thanks. I've given BIS a skim and it fills me with Rathenau's delirium of milliards. I'm looking for more long term ~200 year data.

Yes, our 'modern' economy is truly dizzying. Friends not long ago were more likely to believe we live among or are ruled by aliens than accept fractional reserve, much less swaps and other abstract derivatives But I think people are getting a hint that something is http://www.youtube.com/watch?v=31IYm0gQS_A&t=22s