Sales of laptops, traditional PCs, and mobile workstations are expected to remain relatively flat for the next few years. Even so, the fast decline of traditional slate tablets will allow laptops and PCs to regain lost market share. Detachable tablets will continue to grow and eat up sales of slate tablets.
https://www.notebookcheck.net/Laptops-to-grow-3-7-percent-in-PC-market-share-by-2022-according-to-IDC.376041.0.html