CREATE TABLE table_22191 ("State" TEXT, "City" TEXT, "Population" FLOAT, "Violent Crime" TEXT, "Murder and Non-Negligent Manslaughter" TEXT, "Forcible Rape" TEXT, "Robbery" TEXT, "Aggravated Assault" TEXT, "Property Crime" TEXT, "Burglary" TEXT, "Larceny-Theft" TEXT, "Motor Vehicle Theft" TEXT)

How many cities were there in 2012 where the rate of burglary was 224.8?
SELECT COUNT("Property Crime") FROM table_22191 WHERE "Burglary" = '224.8'
SELECT COUNT("Property Crime") FROM "table_22191" WHERE "Burglary" = '224.8'