At the moment it is very difficult to understand how your solution compares with others since the golf chart groups the column together.

In the following image for example there are only 2 columns for the solution that range from 5 to 10 characters:

I guess that the problem is that there are users submitting code with a lot of characters and they have to be displayed as well.

I would suggest to replace this chart with a more interactive version where you can zoom in and have a better idea of your ranking.