"00","1","Total all industries"
"00","2","Industry division"
"00","3","Major industry group"
"00","4","Industry"
"00","5","Rollup"
"00","6","Outside the SIC structure (invented code)"
"00","A","Total all industries"
"00","B","Domain"
"00","C","Super-Sector"
"00","D","Industry sector (2-digit)"
"00","E","Industry subsector (3-digit)"
"00","F","Industry group (4-digit)"
"00","G","Industry (5-digit)"
"00","H","U.S. Industry (6-digit)"
"00","I","Roll up"
"00","J","Outside the NAICS structure (invented code)"