IDC: Apple dominates in tablets, but share shrinks

Here are the top five manufacturers of tablets in the fourth quarter, as released by IDC:

— Apple Inc., 22.9 million shipped worldwide, 43.6 percent share (15.5 million, 51.7 percent a year earlier)

— Samsung Electronics Co., 7.9 million, 15.1 percent (2.2 million, 7.3 percent a year earlier).

— Amazon.com Inc., 6.0 million, 11.5 percent (4.7 million, 15.9 percent a year earlier)

— AsusTek Computer Inc., 3.1 million, 5.8 percent (600,000, 2.0 percent a year earlier)

— Barnes & Noble, 1.0 million, 1.9 percent (1.4 million, 4.6 percent a year earlier)

— Others, including Microsoft, 11.6 million, 22.1 percent (5.5 million, 18.5 percent a year earlier)