The given line graph illustrates 3 different method and the percentage of total music sales over the period of 7 years.
Overall, it is eviden that the ratio of music that saled by downloads and CDs purchased experienced a downward trend By contrast, it is interesting to note that the percentage of music which saled by streams displayed an upward trend over a period of a shown years.
Looking at the line graph in more detai, the percentage of music that saled by Downloads stood at nearly 35% in the beginning of the given year. However, this tendency experienced a slight increase rise by 10% and reached nearly 45% in 2014. Moreover, this figure significantly decrease from 45% to approximately 35% in 2017 and stood at on the same level with the percentage of streams. Finally, this figure minimally decrease from 35% to 30% in the end.
When it comes to the percentage of music that sold by Streams, we can see that it stood at approximately 55% in 2011. Afterwards, this figure increased nearly 15% and became on the same level with the percentage of downloads in 2013. Moreover, this tendency kept its stability between 2013 and 2016. However, this figure stood at on the same level with CDs purchased in 2016. Finally, this tendency decreased nearly 5% and stood at 25% in 2018.
It could be explained by the fact that, the percentage of music which sold by streams was 5% in beginning of the given year. Afterwards this trend increased significantly from 5% and became on the same level with CDs purchased in 2016. Afterwards this figure kept its stability and stood at approximately 45% in the end