... You should spend about 20 minutes on this task. 39 over half of household spending. Food accounted for 44% of spending in 1966, but this dropped by two thirds to 14% in 1996. However, the ... consumption was about 300g/week. This fell to 220g/week in 1990.In contrast, sales of hamburger and pizza rocketed. In 1970, very little pizza was eaten - less than 50g/week. This rose to 280g/week by ... 1990.Accompanying this change in the choice of foods was an increase in the amount of fast food consumed. In 1970, British consumers ate about 450g a week of fast food. In 1990, on the other hand, this...