The 2011 US software sales breakdown

Gamasutra According to official NPD Group figures, the current tie ratios for the Nintendo Wii, Sony PlayStation 3, and Microsoft Xbox 360 are given in the table below. The last time I got official tie ratio data was back in mid-2011. At that point, the Xbox 360 ... http://www.gamasutra.com/view/news/39708/The_2011_US_software_sales_breakdown.php