The provided line graph gives information concerning the proportion of people in distinct age groups in a particular city who went to music concerts over a 5 year period.
Overall, it is clearly seen that there was an upward trend in most age groups, except the ages of 55 to 64. while, the group of 16 to 24 received the highest rate in most of the period.
At the beginning, the group of 45 to 54 took the highest position, standing at around 52%, while the second highest was received by two age groups were 16 to 24 and 25 to 44, standing at 40%. However, the 16 to 24 ages group saw a gradually increase, especially, there was at 60% in 2012 and continued to rise to 70% in 2015. In contrast, the 45 to 54 group dramatically declined to 40% in 2011 and ended at 52% by 2015.
On the other hand, the 25 to 44 and 55 to 64 groups witnessed an inverse trend with the first group fell to 30% in 2012 and 2013, and rapidly grew to approximately 59% in the end of the period. While, the other group moderately rose to 30% in 2013, but this figure dropped to nearly 20% by 2015.However, the age group of 75 or more had a variation and stopped at 20% which was the highest rate of this age group, but the 75 or more group was always the lowest rate over a period of 5 years.