Microsoft has been incredibly coy with numbers the past few years. Especially when it comes to actual numbers for Windows Phone and more recently its new Surface line of tablets. You can’t blame them for not wanting to disclose numbers from the top of the mountain if they aren’t anything to boast about to begin with. Numbers we do get either come from inside sources or website analytics that we all piece together. That said, here are some numbers from inside Microsoft about the number of Surface tablets sold.