The graph illustrates the ratio of total music sales by streams, downloads, CDs purchased from the year of 2011 to 2018 .
It is clear that, the highest proporation rate recorded in 2011 by CDs purchased method which was consists 58 percent . While, the lowest percentage demonstarted at streams method which was only 3 percent in 2011 significantly .
In 2011, total music sold out by streams method which was carried only 3 percent respectevly; which was increased gradually from 2011 to 2018 which was rised 41 percent. Moreover, the total music consumed by downloads in 2011 which was 35 percent ; then this ratio rised gradually and it stopped slightly in 2014 which illustrates 42 percent . So, it increased from 2011 to 2014 which was 7 percent significantly . This rate again starting decline from 2014 to 2018 which was diminishes about 12 percent .
In 2011, the streams method sold out 58 ratio and this figure started dramatically decline from 2011 to 2018 . which was diminishes 33 percent dramatically .
