Try this website, it's pretty good for that sort of info and other on players -
https://www.transfermarkt.co.uk/tottenham-hotspur/alletransfers/verein/148
Whilst those numbers are boosted by loaning out kids that never were really a part of senior squads, it was still a brutal first 2 seasons. The second in particular, 13 senior established players all gone. Partatici needs to up his game!
It was a shame that Poch seemed to forget that selling players was a necessary part of improving the squad. He forgot how to make the difficult decisions on people in the end.