#20
Model M Industrial Space Saving Keyboard
16
1.1%
#19
Model M4-1 Space Saver TrackPoint II Keyboard
16
1.1%
#18
Model F300 Expanded Alphameric Keyboard
16
1.1%
#17
Model M Type III Functional Key Keyboard
19
1.307%
#16
Model M3 L40SX Keyboard
21
1.444%
#15
Model M Enhanced Keyboard with Speaker
21
1.444%
#14
Model F400 Administrative Keyboard
22
1.513%
#13
Model F Terminal Keyboard
22
1.513%
#12
Model M Enhanced Terminal Keyboard
23
1.582%
#11
Model M Type I Functional Key Keyboard
31
2.132%
#10
AccuType ThinkPad Optical Trackpoint Keyboard
31
2.132%
#9
AccuType ThinkPad TrackPoint Keyboard
38
2.613%
#8
Model M2 Terminal Keyboard
44
3.026%
#7
Model F Functional Key Keyboard
59
4.058%
#6
AccuType ThinkPad TrackPoint Keyboard
82
5.64%
#5
Model M Enhanced PC Keyboard
90
6.19%
#4
Model M6-1/ThinkPad UltraNav Keyboard
113
7.772%
#3
Model B 3278-type Typewriter Keyboard
143
9.835%
#2
Model M6-1/ThinkPad TrackPoint Keyboard
183
12.586%
#1
Other, Keyboard
209
14.374%
#10
IBM Quiet Touch rubber domes
31
2.132%
#9
Lenovo ThinkPad classic scissor-stabilised rubber domes
32
2.201%
#8
IBM ThinkPad scissor-stabilised rubber domes (Alps/NMB variant)
58
3.989%
#7
IBM M3/M4/ThinkPad buckling sleeves (Lexmark variant)
97
6.671%
#6
Lenovo ThinkPad AccuType scissor-stabilised rubber domes
114
7.84%
#5
IBM ThinkPad scissor-stabilised rubber domes (LITE-ON variant)
142
9.766%
#4
IBM beam springs
145
9.972%
#3
IBM capacitive buckling springs
185
12.724%
#2
Other rubber dome implementation
258
17.744%
#1
IBM membrane buckling springs
325
22.352%