Apple\u2019s retail stores continue to make a significant contribution to overall sales.The company\u2019s financial results show 216,000 Mac sales through its stores, generating US$715 million in revenue.That\u2019s up sequentially: Apple sold 154,000 Macs to generate $636 million in sales in the last quarter. Overall, Apple sold 144,000 Macs for $555 million in revenue in the quarter, its financial statements show.The company\u2019s retail stores saw revenue rise 29 percent in the quarter. On average, each store generated $4.9 million in revenue during the quarter, which closed with 155 such stores open, according to Chief Financial Officer Peter Oppenheimer. He revealed that\u00a0more than\u00a017 million customers visited an Apple retail store during the 13-week quarter.Apple\u2019s new glass elevator-equipped New York store has now become the company\u2019s largest retail concern, Oppenheimer said.The move to switch to Mac continues apace. The Apple executive revealed that "nearly 50 percent" of Macs sold in its retail channels are being sold to users who are new to the platform.Strong global salesIn other news, Apple\u2019s European unit sales fell 5 percent sequentially, but climbed 6 percent, year on year. Overall, 301,000 Macs sold in Europe, generating $899 million in revenue.In other territories, unit shipments also climbed on an annual basis. In the Americas (642,000 sales) units climbed 8 percent; in Japan they climbed 4 percent (79,000 sales). Apple\u2019s "Other Segments" category, which includes the Asia Pacific, saw unit sales climb 6 percent to 89,000 Macs.Desktops enter presale cyclePent-up demand for Apple\u2019s new professional desktop Macs seems set to be high, as the company\u2019s desktop computer sales fell drastically: 23 percent, year on year. It sold 529,000 desktop Macs (including iMacs and Mac minis) in the period, raising $705 million in revenue.Portable computers such as the MacBook and MacBook Pro generated a steady income stream for the company, with 798,000 portables sold. These sales raised $1.16 billion in revenue. Astonishingly, portable sales climbed 61 percent year on year, in units and revenues.Confirming the strong demand, Apple Chief Operating Officer Tim Cook admitted that Apple has a backlog of unfulfilled MacBook orders, but promised the company would catch up with these "shortly."He also admitted to "significant" downloads of Apple\u2019s Boot Camp software that lets Mac users run Windows on Intel machines.-Jonny Evans, Macworld.co.ukRelated Link: \n\nApple Beats Street on Strong Sales, MarginsCheck out our CIO News Alerts and Tech Informer pages for more updated news coverage.