As Apple has been expanding its retail footprint, there is a positive change in the corresponding market share gained in the company’s Mac segment. Silicon Alley Insider notes the increase in three of Apple’s most important markets : USA, West Europe and Japan. Here are the number of stores added between 2004 and 2009 and the corresponding market share gain observed on the sale of Macs
USA : 123 (4.3%)
W. Europe : 33 (2.8%)
Japan : 5 (1.1%)