The line graph below shows changes in the amount and type of fast food consumed by Australian teenagers from 1975 to 2000

The diagram illustrates how many 3 types of junk food were eaten by Australian youngers in the period from 1975 to 2000.

Overall

, throughout the surveyed duration, the consumption of French fish and fries plunged from the dominant position to the lowest, meanwhile, there was an increase in the statistics of both pizzas and hamburgers. At the starting point in 1975, fish and chips were the most favourite, with the eaten amount being 100, leaving the two remaining categories far behind. In the next 10 years, its consumption witnessed a slight decrease to more than 80 annually in 1980, followed by a recovery to return to nearly 95 in 1985. After that, the frequency of people buying

this

kind of food went downhill to hit the bottom at less than 40

at the end

of the period, ranked third.

On the other hand

, flatbreads and chopped beefsteaks showed the opposite trend. From a very low beginning at below 20 in 1975, the consumption of burgers skyrocketed to hit above 80 per year in just 10 years,

then

for the rest of the surveyed time, it raised slowly and ended up at the pick of excessively 100 in 2000, occupying the first place of all 3 categories. Sharing the same tendency with burgers, deep-dishes started modestly at less than 10 yearly times eaten,

then

climbed in 20 years from 1975 to 1995 to hit its highest at approximately 82, and kept stable at that point until 2000.