Rank | 2011 | 2012 | 2013 | 2014 | 2015 |
1 | HP 16.6 | HP 16.1 | Lenovo 16.9 | Lenovo 18.8 | Lenovo 19.8 |
2 | Lenovo 12.5 | Lenovo 14.9 | HP 16.2 | HP 17.5 | HP 18.2 |
3 | Dell 11.7 | Dell 10.7 | Dell 11.6 | Dell 12.8 | Dell 13.6 |
4 | Acer | Acer 10.2 | Acer 8.0 | Acer 7.9 | Asus 7.3 |
5 | Asus 5.7 | Asus 6.9 | Asus 6.6 | Asus 7.2 | Apple 7.2 |
Others | 42.8 | 41.2 | 40.7 | 35.7 | 33.9 |