The provided line chart illustrates the amount of junk food consumed by teenagers in Australia between 1975 and 2000. The major components are pizza, hamburgers, and chips.
Overall, the consumption of fish and chips declined, while the amount of pizza and hamburgers that were eaten increased.
In 1975, the most popular fast food among teenagers was fish and chips, which was eaten 100 times a year. This was higher than ham and chips that were consumed approximately 5 times a year. However, apart from a brief rise, the consumption of fish and chips gradually declined to finish at just under 40 times per year.
In sharp contrast to this, teenagers ate other kinds of fast food at much higher levels. Pizza consumption increased gradually until it overtook the consumption of fish and chips in 1990. It then leveled off from to. The biggest rise was seen in hamburgers, increasing sharply throughout the 1970s and 1980s, exceeding fish and chips consumption in 1985. It finished at the same level fish and chips began, with consumption at 100 times a year.
