The annual worldwide market share of personal computer vendors includes desktop computers, laptop computers, and netbooks but excludes mobile devices, such as tablet computers that do not fall under the category of 2-in-1 PCs. The global market leader has been Lenovo in every year since 2013, followed by HP and Dell. Previously, Compaq was the global market leader in the late 1990s until the year 2000, while HP and Dell shared market leadership in the 2000s.