Nice idea!I have created a new tracker for us November folks in Google sheets. Let's try to update it, especially the ones who are still left. This way we will get an idea about the number of people left.
https://docs.google.com/spreadsheets/d/11oVBQuoR_WKD_N5qqQfEgUJ0j1QlxQUU7JtWdiOvjZw/edit?usp=sharing