Here's why:
* Sales data is complex: Sales figures are influenced by various factors like pre-orders, launch day sales, and initial stock availability.
* Publicly available information is limited: Microsoft typically releases broader sales figures (like quarterly or annual reports) but not specific daily numbers.
While we don't have exact numbers, we do know the Xbox 360 had a very successful launch. It sold millions of consoles in its first few weeks, which helped solidify its position in the gaming market.