Like graphs?  This report will show you sales in graphical format - graphs generated by Google Charts.

You can view the report by Daily, Hourly, Monthly Weekly or Annually
There is an area where you can also filter the orders by the status of the order if you want.
Both numeric and graphic results (graphs generated by Google Charts).

Works with Zen Cart v1.5.0, v1.5.1, v1.5.2, v1.5.3, v1.5.4, v1.5.5