The script runs the numbers one by one (I could ask for SQL access, but I doubt they would oblige). So yeah, it takes a few hours to do all the regions. I can run EU in a couple of hours from now (from work) although I think it won't be fully updated as it appears some updates are done case by case, and others are updated in batch at the end of the month. I can tell you that EU was about 15.3 a few days ago.
By the way, I actually want to collect the data differently for DV2015. I would like to capture all updates to a database, with a date stamp, and then track case updates etc. There is a lot we don'y know about old cases staying at ready, AP cases, density/maturity and so on. Having a nice db with all that in would allow some better analysis of the data. If anyone has skills/time to help with that, PM me.