The line graph below depicts the percentage between five particular age categories in a city who paricipating in musical events in a 5-year period from 2010 to 2015.
As the data given, these five figures in general experienced an upward trend, while the age range 55-64 decreased slightly at the last two years.
From 2010, the range of people who were 16-24 years old and 25-44 years old ranked at 40%. However, in the next 4 years, these figures extended their gaps when the first counterpart witnessed a gradual surge and the second one dropped to it nadir at 30%. At the end, the percentage of people were 16-24 years old reached its peak at 70%, while the counterpart of the 24-41 year group standarded at about 50%.
At the beginning of the suvey, before maintaining its stability at about 50% to 55%, the generation from 45-54 stood at more than 50% declined by 10% in 2011. Meanwhile, the similar figure to elderly people (75+ years old) shown the opposed pattern to climb up from 10% to 20% by 2011. The next 4 gears, the data fluctuated at around 10% and it covered to the beginning point. Meanwhile, the middle-age range experienced some fluctuations which it started at 25% and finished at the similar point of 2010.