DhB
I feel your situation, I have wondered a number of times too.

You may have everything. In my install I get two answers to one question.

In [What Band-In-A-Box Do I have?] it shows
Xtra Styles PAK 1, Aug. 2016, 160 Styles

If I use style Picker and copy the list to clipboard and then create a pivot table to Count the Style sets in Excel it shows
Xtra PAK 1 184