Running Totals would be the easiest way, great a group by the input types, reset on change of group, and count the number of records.

Depending on what you want:
If you need more help I can provide it

option 1
Group by - table.inputype

at the end of each group footer have a running total with.

field to sum = unique value from table
type = count

eval
for each record

reset
change of group


Option 2 - have all totals in report footer

no group by (just suppress the detail)

rt1PADT

summ - unique value
type - count

eval

use form - itemtype = "PADL1"

Reset

Never


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Do this for all types of inputs, and just put the running totals in footer