Drama Data - Yes or No?

MDL is a great resource for information about Dramas, especially cast listings, much more detailed than some other sites I use. But when it comes to crunching the numbers on Dramas you personally watch, does anyone else use spreadsheets? I love Google Sheets for this, and find its tools very easy to use. As one example, I was wondering tonight how each country's Dramas compared in terms of their "drop rate" for me, and here's the answer:

This data basically matched my expectations, sometimes the results are a little different to what I thought they would be be. Who else enjoys analysing their Drama data in similar ways?