(This is known as the law of demand.). In contrast, the aggregate demand curve used in macroeconomics shows the relationship between the overall (i.e. average) price level in an economy, usually represented by the GDP Deflator, and the total amount of all goods demanded in an economy.
1 A 3.5 oz serving of crushed canned tomatoes - 32 calories. 2  1 oz of tomato flesh - 5 calories in. 3  10 g of tomato flesh - 3 calories in. 4  100 g of tomato flesh - 18 calories.
One grape tomato provides approximately 5 calories. A full 1-cup serving of grape tomatoes, which is about five or six pieces, contains 25 to 30 calories. Nearly all of the calories come from carbohydrates, but grape tomatoes also have trace amounts of fat and protein. These two macronutrients contribute less than 1 calorie per tomato.