UK Crime for 2004 variables:

pfa = police force area.

crime = total number of crimes per 1000 people in 2004.
	
unem = unemployment rate (in percent) in 2004.

cars = number of registered motor vehicles per 1000 people in 2004.
	
police = number of police per 1000 people in 2003.

%pop15_24 =  percent of the population aged 15 to 24 years in 2004.