Acer is the highest vote may due to a lot of consumer. but the ration might be different.

says example

acer total population = 50,000
acer total faulty = 5,000
ratio = 10%


HP pavillon total population = 10,000
HP Pavillon total faulty = 1,000
ratio = 10%

you will notice acer has greater total faulty, but in term of ratio is not differ