Hi, I'm trying to use the IxI SAM for several years of IMPLAN data. I have exported them to Excel in order to aggregate certain things and the exported matrices have some structures that I do not understand. For instance, they do not appear to be square. The farthest left column is labeled "receipts" and is counted as 01, 02, etc. However, 05 and 09 are used twice in the rows and only once in the columns. Further, the description seem to have some discrepancies. "10 Mining" is labled under the rows twice, as receipts 2 and as one of the 5's. And "90 Gov't and Non NAICS" is used as the description for both receipts numbered 10 and as one of the two 9's in use. Though the labels are used more than once, the cells do not appear to be repeated, providing the extra 2 rows making the entire SAM 35x37. I do not understand what's going on here and need some help sorting it out. Thanks for your time.
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