Number of iPads sold by Apple by quarter

Phil Schiller, Apple's senior vice president of worldwide product marketing, introduces the iPad Mini in San Jose, Calif., Tuesday, Oct. 23, 2012. (AP Photo/Marcio Jose Sanchez)

Apple said it sold its 100 millionth iPad two weeks ago, two and a half years after the first model came out.

That means Apple has sold 16 million since June 30, when it last disclosed iPad sales. Apple is expected to get a boost with the release next month of a smaller iPad and an update to its full-sized one.

Here's the breakdown of iPad sales by quarter.

— 3.3 million in fiscal third quarter 2010 (through June 26); iPad went on sale April 3, 2010.

— 4.2 million in fiscal fourth quarter 2010 (through Sept. 25)

— 7.3 million in fiscal first quarter 2011 (through Dec. 25)

— 4.7 million in fiscal second quarter 2011 (through March 26); iPad 2 went on sale March 11, 2011.

— 9.3 million in fiscal third quarter 2011 (through June 25)

— 11.1 million in fiscal fourth quarter 2011 (through Sept. 24)

— 15.4 million in fiscal first quarter 2012 (through Dec. 31, 2011)

— 11.8 million in fiscal second quarter 2012 (through March 31, 2012); third-generation iPad went on sale March 16.

— 17 million in fiscal third quarter 2012 (through June 30, 2012).

— About 16 million from July to early October.