Radar Chart Feature

As per screenshot, can we not create Radar charts with more rows, same as in Excel? Basically, radar chart is to be used to rank on a specific topic 1 to 10, so when looking at chart we need to be able to see 10 lines, and filled in areas for what we ranked for. Right now your chart shows just lines only to the maximum entered. So if my highest ranking is 6, radar will only show 6 lines. That's not how it is in excel, and this feature of adding more lines is much needed.