Telemetry dashboard for tracking protection.
The unit is percentage (0 to 1). It shows that roughly 80% of pages don't have a shield showing up for example.
Same as the first graph but in number of reports, not as a percentage.
Percentage of sessions that have TP enabled. People who close their browsers a lot are over-represented, since closing the browser gives you a new session.
Having this in FHR will be more accurate, see https://bugzilla.mozilla.org/show_bug.cgi?id=1130473.
Number of times people enable/disable the tracking protection feature somehow.