The provided line graph illustrates different proportions of different age categories of cinema visitors in one country between 1978 and 2008.
Overall, its obvious from the chart that the percentages declines with increasing in age. For example, the category (age 14-24) had the highest percentage throughout the period. In contrast, people who are 50 years old and above recorded the lowest percentage.
Firstly, adults who are 14-24 years old were the highest category visiting cinema. They started with 90% at 1978, then the a slight decline occurred till 1988 followed by a period of stability till 2008. Youth who are 25-34 years old were in the second ranked degree. They started with 80% in 1978 afterward, it decreased to 60% in 1988 then the percentage nearly became stignant throughout the remaining period.
In terms of human who are 35-49 years old and elderly who are 50 years old and more, both had the same shape of line, each category of them decreased until it reached certain point, followed by increase and period of stability, afterward both met in one point which is 50% at 2008.