Name The Bubble

As the title suggests, please name the latest bubble:

If you said student loans, you were correct. What is curious is that while virtually everyone has known about the student loan bubble in recent quarters, it is only for the past 3 that the Fed has actually started to disclose this data in its consumer loan excel spreadsheet (link - page 3). For historical data prior to 2011 we had to pull Bloomberg data (TDBCSTUD Index) going back to 1999. Perhaps the recent astronomical jump is why the Fed has been keeping a tight lip on this data... 

And for those to whom this is news, here are some thoughts on the matter from before.