The graph shows periods of the song purchasing habits in a period of eight years.
Overall, in 2011, all CDs, downloads and streams started in three different ways. CD s and downloads made slight decrease through the entire period while streams made a significant increase in all years.
CDs started in a dramatic decrease of just over 54% in the year 2001 until they stopped at 20% in 2018. On the other hand, downloads commenced with about 35% and made a slow rise of around 45% in the year 2014 and then it started a small decline to 30% in 2008.
Sales of streams began with just around 5% in 2011 and went up dramatically to 20% where they started again until they reached in the last stop of 40% in the year 2018. In addition to that, or as can be seen from the graph, CDs and downloads made a dramatic decrease while streams did noticeable rise.
