Feature request: Traffic based on user

Users are reviewing the transferred data (per day) and would like to get a histogram per user (instead of the aggregated total). Is there a way to narrow down the statistics to per user (or provide a graph/chart for user traffic)?

This would help users know if the improvements that they are making to their processes is working.

Start by locating the analytics data aggregation and visualization entry points for daily transferred data; no files or tests are named in the issue. Trace how the current aggregate is produced, then determine what is needed to filter or group it by user. Done means users can view a clear per-user traffic histogram or chart alongside the existing aggregate.

Written by the indexing model from the issue text.