I have list of all registered vehicles (of 4 different types) in texas along with their zip code. I need to map-shade each zip code showing count each of vehicle type. For example zipcode 75051 (type A= 50, type B=45, type C=71, type D=12). I am new to MP and wanted to know what would be the best way I could do this. Thanks for your help. Jcone.