The given line graph describe a competition of 3 different method and the percentage of total music Seles over the period of 7 year.
overall the percentage of music that saled by dawonlod and CDs purchased experience a downward trend it interesting to the percentage of streams music display higher trend over a period of a shown years. CDs sales downwards to begging.
Seeing at the line graph the percentage of music pursued by cds stood at nearly 55% in the starting of the year however this trend 5% decreased in 2012 and stood at nearly 50% this tendency also decreased 5% in 2013 and reached nearly 40% this figure significantly decreased for 35% in 2014 afterward almost stood at Sem leval percentage of dawonlod finally this figure decrease from 30% to 20% in the and
Looking at the percentage of music saled by download stood at nearly 35% in the the begging of the year however this trend increased by 10% and reached nearly 45% in 2014 and slightly stable of 2015 and 2016 this figure decrease for 5% to approximately 30% in 2017
When it come to the percentage of streams music we can see that it stood at lower point of staring point it could be expected that fact that the percentage of streams music was 5% in starting of the given year. And the year of 2013 and 2014 slightly stable and reached 15% afterwards this trend slowly increased 2016 stood of cds purchase percentage and thid figure kept upward stood at approximately 45% in the and