We can improve the visualization of the chart. In some cases, the numbers overlap. Maybe this can be solved by decreasing the font size. Also I think we do not need to display zero values, because sometimes it seems to pollute the chart. A sample image has been attached.
[img]http://community.alzex.com/public/attachments/b099c47b2198328d2cb78436642b1237.jpg[/img]