Debt Debate Puts Opinion of Congress at Historic Low - who are the 14% who still approve?

My question is: who are the 14-18% who still approve of Congress?

Public Views Congress as Top Culprit in Debt Debate, Poll Finds - NYTimes.com:
"A record 82 percent of Americans now disapprove of the way Congress is handling its job — the most since The Times first began asking the question in 1977, and even more than after another political stalemate led to a shutdown of the federal government in 1995."