Its basically dependent on your age. Also, I am sure that most people with lower numbers won't post and there may also be those people that inflate their numbers a little.

I am fairly young, just finished my Masters and got a good job with Lockheed Martin so that is why my ration is fairly high.

2001 Volvo S40-Perrin MBC@ 11psi, EST intake, 35% tint, still slow