What percent of people bite their toenails?

I do it, and I only know of one other person who does. Most people I know think it's gross and think I'll get sick. Well, I almost never get sick. I can't even remember the last time I was really sick. So I was just wondering how many other people are like me, and see the convenience in such a harmless practice.What percent of people bite their toenails?
I do, and my old college room mate does.What percent of people bite their toenails?
eeewww cough puke....my little sister used to do that though