These chart above shows quarterly sales figures for each phone since the iPhone was introduced. They were neck in neck for a while, but the iPhone 4 release in June 2010 changed everything -- iPhone sales took off while Blackberry sales leveled off, then started to dive.
Another an eye-popping chart from Needham analyst Charlie Wolf, via Fortune. You can see RIM's share of the U.S. market collapse right around the time Verizon decides to throw its weight behind Android.
As RIM's marketshare in the U.S. collapsed, so did its average selling price per phone.As Businessinsider summarises RIM's performance " Sure, RIM is proud of its expansion into other markets, but they're not as valuable to RIM"