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.
The average American household spends $2,390 per year on food consumed at home, the USDA notes. The average German household spends $2,646 per year. The average French household spends $3,241 per year. The average Norwegian spends a whopping $4,454 per year on food.The USDA doesn't explain the variation. Some of it likely has to do with different tax systems in Europe (here's an international comparison of food prices), as well as differences in eating out.he average American, after all, spends just 6.5 percent of his or her household budget on food consumed at home. (If you include eating out, that rises to around 11 percent. ). In Pakistan, by contrast, the average person spends 41.4 percent of his or her household budget on food consumed at home.