Describe a line graph depicting the fast food consumption in UK from 1970 to 1990

The line graph illustrates the spending on three different types of fast food among the UK demographic from 1970 to 1990. At a first glance, it is notable that the consumption of fish and chips experienced the most significant change out of all the three dishes. Additionally, the amount of hamburger also witnessed a moderate increase compared to fish and chips. In contrast, the quantity of consumed pizza showed an inclination to decline gradually during the researched period. In 1970, the figure of pizza reached a high of more than 300 tons digested by the UK citizens, while the number in fish and chips and hamburger were considerably lower, standing at only approximately 80 tons and 20 tons respectively. By 1980, however, just around 200 tons of pizza were consumed, dropping by one third of its original quantity 10 years prior, and the number remained stable for the following years. Meanwhile, fish and chips, alongside with hamburgers, steadily escalated the same year that the pizza's sales were dipping, and at the end of the period, besides 300 tons being hamburger's climax, fish and chips became the most popular fast food by reaching its peak of 500 tons a year.