No previous period present for personalized groups

I seem to be seeing a problem within accounting when I view reports for personalized groups.
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There is history from last year but I always see zero.
I can never see a previous years history as it is always zero. Am I missing something?

This still does not seem to work. I run Dolibarr on numerous companies and this doesn’t work on any of them… It did previously but became broken at some point

Again in V15.0.3 this doesn’t seem to have been fixed. I appreciate the effort that goes into this project and priorities but are some things just to trivial to bother with? I’m happy to provide any further information to assist.