The given line graph illustrates the proportions of total music sales by method across three distinct categories over a seven-year period, commencing in 2011.
Overall, it is evident that all categories, with the exception of streams, experienced a substantial decline. Notably, the proportion of music sales through streams emerged as the highest by the end of the period.
Analyzing the increasing trend, the share of music sales through streams began with a gradual ascent to 20% in 2015. Subsequently, this figure exhibited a notable rise, reaching slightly above 40% by the conclusion of the period.
Considering the diminishing percentages, in the initial year, the proportion of music sales from CDs plummeted to 40%, juxtaposed with downloads which surpassed 40% in 2013. The percentage attributed to CDs continued to decline, stabilizing at around 25% in 2018. In contrast, the share of downloads escalated to 43% before witnessing a gradual decline, settling at 30% in the final period