Where it comes from
Our calculation from other figures in the trainer’s notes.
Explore / Figure
Record
TPC license global row 2022 over 2018, 2018 to 2022
3.89 2018 to 2022
EstimateOur model or estimate. Treat it as an order of magnitude.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.