It's not the most organized or pretty sheet but it's a start if you want to input your own data. There are 4 charts. Here is my LD Ratings over time.

File->Make a copy to make it your own. https://docs.google.com/spreadsheets/d/1QuPtK8dCmu4-bgWC9VdOLFgQ3RYkexo8G0MxqGqxl4I/edit?usp=sharing