The graph shows the trends in consumption of fast foods in Britain.

The given line chart gives breakdown about the amount of three kinds of fast food are consumed weekly in Britain. Overall, while fish and chips as well as hamburger experienced an upward trend in weekly consumption, pizza were eaten less. In addition, in the latter period, fish and chips became the most favourite food items in a week. From 1970 to 1985, pizza were mostly consumed in a week, standing at 300 gram, which is more than three times as much as that of fish and chips, followed by nearly 40 gram of hamburger. In the next 15 years, pizza was soon overtaken by fish and chips, quicky lossing its first rank, by reducing to 200 grams. The year 1990 witnessed the sharp rise in the consumption of fish and chips, maintaining its first place, standing at 500 grams, which is nearly double the figures for the second preferred junk food of hamburger at 300 grams. In contrast, pizza lost its favor, becoming the least eaten food item.