DESCRIPTION 
This function finding will return the minimum value from a list of
Occurrence Count, across multiple findings the format is:
MIN_VALUE(I,"CSUBI",J,"CSUBJ",K,"CUSBK",...) where I, J, and K are
finding numbers and "CSUBI", "CSUBJ", and "CSUBK" are the CSUBs of
interest for those findings.
finding CSUBs. Note the selected CSUBs must be numeric, any that are
not numeric will be treated as having a value of 0.
To find the minimum for all occurrences, as specified by the
Occurrence Count, of a CSUB of a single finding the format is:
MIN_VALUE(N,"CSUB") where N is the finding number.
To find the minimum value for all occurrences, as specified by the
