I am evaluating Structured Framemaker 12 to use with DITA. I have a bookmap and want the footer on each resulting page in all the chapters and the index to include the Total Page Count of the book. I have attempted to follow the instructions in

Including the total page count of a book in a header or footer

However, the last document is my Index, which is only a single page. I am getting the total page count as 1. Do I need to do something extra in the dita-output.ini file or ...?