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