It's difficult to find average sales for Dell laptops as these differ year by year and product by product. In 2017, Dell did report a good increase in their sales and by the end of 2018 "operating income up 15 percent year-over-year," Tom Sweet, chief financial officer, Dell Technologies stated.
If you want accurate inside information you need to pay for the research.
Dell came on the scene in 1984, Over the years, they have certainly sold their share of computers, both desktops and laptops. They have place third again in laptop sales. Dell sells an average of millions of laptops every year. Their laptops generally have a life of 3-5 years. They have definately had their ups and downs.
While there are some thngs the company could improve on, they remain a leader and on average sell the third most laptops in the world. Their customer service is great and their reviews are genrally fairly positive. The company is based in Texas and they have just gone public after having been public initally, then going private.