Predict violent crime for 2013 at chester city , PA

This is a study of crime prediction at chester city, PA. Prediction is an hard task. With a low data content the must is to use an exponential method to predict the violent crimes rate. For 2013 , the violent crimes should decrease lowly . It is a tendency.

Predicted crimes value by 100k hab are

Real value Predict for 2013
Violent crime 3174 3165.4
Murder and nonnegligent manslaughter 64 64.2
Forcible rape 50 51.7
Robbery 637 635
Aggravated assault 2423 2414