Summary count of duplicate numbers..
I have a layout report that shows a list of N Numbers. Many of these are duplicates (which is normal). They are sorted in N Number order, so the duplicates are together. I want to know the total number of unique N Numbers there are. In other words I want a count of the groups of N Numbers, not how many are in each group.
Example: If my list looked like this:
The summary count I would want to see is: 4