Marking the twelfth straight quarter of year-over-year decline, the third quarter of 2017 saw the tablet market slump 5.4%. Despite a bump in sales growth from 4 of the top 5 tablet retailers, the market as a whole continues its downward trend with no end in sight.
https://www.notebookcheck.net/IDC-analytics-point-to-3-year-decline-in-tablet-sales.262574.0.html