Prevalence is a measure of disease that allows us to determine a person's likelihood of having a disease. Therefore, the number of prevalent cases is the total number of cases of disease existing in a population. A prevalence rate is the total number of cases of a disease existing in a population divided by the total population. So, if a measurement of cancer is taken in a population of 40,000 people and 1,200 were recently diagnosed with cancer and 3,500 are living with cancer, then the prevalence of cancer is 0.118.
1 Canned food or frozen raw food, on average, costs between $400 and $1,000 per year for one to three cases of 13-ounce cans per month or for one to three 10-pound bags of frozen raw food per month. Premium or holistic dry kibble, on average, costs between $200 and $400 per year for a thirty-pound bag every month to two months.
1 Canned food or frozen raw food, on average, costs between $16 and $38 for slightly more than two cases of 3-ounce cans of frozen raw food, each month.2  The price per day for any given brand is most expensive with the purchase of small bags and least expensive with large bags. The average cat owner spends $188 per year on food, according to a pet owner survey by The American Pet Products Manufacturers Association.