"Code" "Explanation" "From" "Through" "=""A""" "SUMMARY LEVELS 1 AND 3." "10/01/1996" "Present" "=""B""" "SUMMARY LEVELS 1, 3, AND 5." "10/01/1996" "Present" "=""C""" "SUMMARY LEVELS 1, 3, AND 4." "10/01/1996" "Present" "=""D""" "SUMMARY LEVELS 1, 2, AND 3." "10/01/1996" "Present" "=""E""" "SUMMARY LEVELS 1, 3, 4, AND 5." "10/01/1996" "Present" "=""F""" "SUMMARY LEVELS 1, 2, 3, AND 5." "10/01/1996" "Present" "=""G""" "SUMMARY LEVELS 1, 2, 3, AND 4." "10/01/1996" "Present" "=""H""" "SUMMARY LEVELS 1, 2, 3, 4, AND 5." "10/01/1996" "Present" "=""Z""" "EXCLUSION" "08/01/2007" "Present"