The pie charts illustrate the percentage of different types of music media in three years (1990, 2000 and 2010).
At the start that is in 1990, compact disks dominated the music industry with 55% share followed by cassettes and vinyl records with 25% and 20% respectively. By 2000, cassettes were knocked out from the market and compact disks captured almost whole market with the share of 95%.
Music media industry experienced another huge change in next ten years. Digital audio which comprised only 5% share of music industry in 2000 represents more than half of the market share that is 60% in 2010. On the other hand, percentage of digital audio decreased from 95% t0 35% from 2000 to 2010.
Overall, the media used in the form of cassettes vanished in the given period. On the other hand, the medium which overruled all types of music media was digital audio which increased to 60% in 2010 from 0% in 1990. Vinyl records which represented 20% proportion of music media industry disappeared completely in 2000 followed by a small percentage of market share in 2010.