Check out this link, apparently your driving skills are based on your date of birth

http://www.onlyinsurance.com/Car-Insurance-News/12752817-Unlucky-birth-dates-could-affect-your-car-insurance.aspx

I drive fast (hence my 3 points) and was born in June but I am a cautious and havent had any accidents....just that people have hit me so it wasn't my fault.