? units. Until the 2015 the eating of Hamburgers slowly decreased to just below 60 times a year. Over the decade from 1980 to 1990 demand for Pizza increased to well above 20. From 1990 to 2015 the figure reached a peak to

The line graph compares the junk food consumption indicated in units, among British adolescents, over the 35-year period from 1980 to 2015
In general, the consumption for both Pizza and Hamburgers experienced considerable improve while the trend for Fish and chips witnessed a downfall over the given period.
In 1980, the most popular fast food with British teenagers was Fish and chips being eaten 70 times in a year. At the same time demand for Pizza and Hamburgers were well under 10 times a year. In the next five years eating of Fish and chips noticeably declined by 20 times a year. The figure of Fish and chips minimally increased well over 60 units inti the 1995. Between 1995 and 2015 the consumption of Fish and chips significantly declined to just above 20. In sharp contrast in this, teenagers ate the other two fast food at much higher levels. Hamburgers` consumption dramatically increased from 1980 to 2000 to well over 60 times a year. In the following five year it was climbed to well above 60 (?)units. Until the 2015 the eating of Hamburgers slowly decreased to just below 60 times a year. Over the decade from 1980 to 1990 demand for Pizza increased to well above 20. From 1990 to 2015 the figure reached a peak to(?) 70 times a year. The eating of Pizza by British adolescents in the next decade climbed just under 80 times per year.