For a running total, you can use multiple 'countif' lines, they do work,
but you would need to specify the 'if' exactly as shown in the column,
(ie "05 / Chev / Silverado" ) and there are many models that you have
used.
(or you could extract the 'Silverado' to a helper column and use
that)

Perhaps list the models, ie "05 / Chev / Silverado", in G130 onwards
and in I130 put
=COUNTIF(I$7:I$92,G130)
and drag that to the end of the listed models.

If you use the multiple CountIf method, you might need to check that
the sum of the displays were equal to the count of the total listed
items via countA(I7:i92 - (non-blank cells), so that you would be
forwarned when a new model (or a mispelling) occurred and a new countif
were required.


--
Bryan Hessey
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