This line graphed are compared the quantity of times and types of fast food: Pizza, Fish and Chips and Hambergers from 1975 to 2000 by Australian teenagers.
Is is chear that the the numer of the the times is change a lot over 25 years. Numer of Pizza and Hamburgers is go up while Fish and Chips is go down.
In 1975, Pizza and Hamburgers had less number the times eaten in one years, even Fish and Chips had the largest numer, 100 times. Roughly 12 years later, Fish and Chips frequent changed, but it still the highest of three. Hamburgers is significant from nearly 20 to around 80. Pizza is increase, too but it was not as fast as Hambureger. In 1995, the first one was not the Fishs and Chips, it was Hamburgers. And the last one is Fish and Chips with the distance between two of them was roughly 60
By 2000, in descending order was Hamburgers with then Pizza and the last was Fish and Chips, with was almost 100, nearly 80 and just under 40 in turn. So over 25 years, Hamburgers bacame the first of fast food that had the highest number of times eaten each years.