In different periods of time consumption and its societal functions have varied.

Average residential consumption varies considerably between states from 530 kWh/month in Maine to 1344 kWh/month in Tennessee.

Pork is one of the most widely eaten meats in the world, accounting for about 38% of meat production worldwide, although consumption varies widely from place to place.

The consumption of similar appliances in the UK can vary by a factor of two or three.

Specific consumption varies, but a modern diesel plant will consume between 0.28 and 0.4 litres of fuel per kilowatt hour at the generator terminals.

Produced in numerous forms and sizes depending on mould size, its consumption varies.

The consumption of drugs and substances that create dependence varies over time.

My country does not have a large domestic market and its consumption varies between 16 to 18 million units annually.

The consumption of fish varied in accordance with the wealth and location of the household.

Per capita consumption of millets, as food, varies in different parts of the world.