The line graph depicts the changes in the quantity and varieties of Australian adolescent yearly fast food consumption over the 25-year course from 1975 to 2000.

The line graph depicts the changes in the quantity and varieties of Australian adolescent yearly fast food consumption over the 25-year course from 1975 to 2000. The initial impressions of the graph are both numbers of hamburgers and pizza witnessed a similar upward trend over the time frame with hamburgers being the most favored food, a contrastive trend was experienced by fish and chips. In 1975, the times of consuming fish and chips registered highest among the three, standing at 100. This number dramatically fell to about 83 five years later, before gradually rosed until 1985 and finally soared sharply on the rest of the period, bottoming at around 37. On the opposite side, in the given course from 1975 to 1985, there was an ultimate increase in the number of hamburgers consumption, reaching a peak at 85. In the next 10 years, hamburgers witnessed a slower increase and remained stable since 1995. Lastly, 1975 to 1985 was a moderate increasing period of the figure of pizza utilization then it rose more significantly and finally remained steady from 1995.