As far as I know the only Unisoft game that launched during this period is Anno 1800, a pc exclusive game. So this makes sense. It is the best Anno game imo.
Still only just beat PS4. 34% for pc Vs 31% for PS4. Shows how important consoles are for these big AAA publishers.
LTD: PS4 - 125m, Switch - 110m, XBO - 51m
2020: PS4 - 9m, Switch - 22.5m, XBO - 2.5m, PS5 - 4.5m, XBX - 2.8m