If you consider the start of the current tablet market to be 2010 when the iPad(s aapl) launched, it will have only taken five years for tablets to outsell traditional PCs. That’s the expectation from research firm Gartner, which published its latest computer sales forecast figures on Monday.

We’ve already witnessed an overall decline in PC sales for the past 18 months but the growth rate for tablet sales is slowing as well. Put another way: Tablet sales are still on the rise, just not as quickly as they were in previous years. Gartner estimates 256 million tablets will be sold this year, which is 23.9 percent more than in 2013. By comparison, the firm says 120 million tablets were sold in 2012 and 206 million last year, which is a jump of nearly 72 percent.

Next year, Gartner figures, will see 320.9 million tablet sales compared to 316.6 million…