ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins50% CONFIDENCEOverall confidence: 50%How well the pin's source and references back up its dates.Weighted average of how firmly 1 reference, the source included, supports the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence
First campus opening: approximate calendar placement from the published year, month, or season; the selected day is a placeholder, not a verified event day.[1]The first facility became operational in 2013; subsequent facilities began operations in 2015 and 2022, and a fourth was completed in 2024. This pin represents the campus.