anchor.diff:  4233,"Lumber and Other Construction Materials Merchant Wholesalers"
   4234,"Professional and Commercial Equipment and Supplies Merchant Wholesalers"
   4235,"Metal and Mineral (except Petroleum) Merchant Wholesalers"
  -4236,"Household Appliances and Electrical and Electronic Goods Merchant Wholesalers"
  +4236,"Electrical and Electronic Goods Merchant Wholesalers"
   4237,"Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers"
   4238,"Machinery, Equipment, and Supplies Merchant Wholesalers"
   4239,"Miscellaneous Durable Goods Merchant Wholesalers"
  
positive.code: 6222,"Psychiatric and Substance Abuse Hospitals"
  6223,"Specialty (except Psychiatric and Substance Abuse) Hospitals"
  623,"Nursing and Residential Care Facilities"
  6231,"Nursing Care Facilities (Skilled Nursing Facilities)"
  6232,"Residential Intellectual and Developmental Disability, Mental Health, and Substance Abuse Facilities"
  6233,"Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly"
  6239,"Other Residential Care Facilities"
  624,"Social Assistance"
  6241,"Individual and Family Services"
  
negative.code: 7212,"RV (Recreational Vehicle) Parks and Recreational Camps"
  7213,"Rooming and Boarding Houses"
  722,"Food Services and Drinking Places"
  7221,"Full-Service Restaurants"
  7222,"Limited-Service Eating Places"
  7223,"Special Food Services"
  7224,"Drinking Places (Alcoholic Beverages)"
  81,"Other Services (except Public Administration)"
  811,"Repair and Maintenance"
  8111,"Automotive Repair and Maintenance"
  