currently the pie chart only plots the top 5 results. It should instead plot all 100% of the data.
Replying to mauser:
sorry, not this one, but #111
(In ) - fix #5530 Added new Filter to create a Summary row in a given datatable. See Piwik_DataTable_Filter_AddSummaryRow
(In ) - refs #5530 end of fix, adding file