Examples: http://naics-api.herokuapp.com/v0/q?year=2012&code=446199&above=1 (44-45 is the 2-digit, top level code, which is returned as null) http://naics-api.herokuapp.com/v0/q?year=2012&code=31-33&above=1 (does not work) http://naics-api.herokuapp.com/v0/q?year=2012&code=31&above=1 (works, but also returns the 31-33 entry)