The illustrations present information about the global market ratio of three digital operating systems compared to others btween 2012 and 2015.
Overall, as is illustrated by the pie charts, the percentage of Os 1 ranked first, followed by the share of others stood second then the percentage of Os 2 ranked last.
In 2012, the share of Os 1 was 20%. Whereas, in 2013, the percentage of Os 1 increased sharply, reaching 38%. Moreover, the share of Os 1 was 52% in 2015 and it is about as large as the percentage of Os 1 in 2014. Furthermore, in 2012, the share of Os 2 is as great as the share of Os 2 in next year. They contributed 17%. In addition, in 2014, the share of Os 2 is as large as the percentages in 2015. They accounted on 18%.
In 2012, the proportion of Os 3 was 15% but the percentages fell by 5% in next year. Additionally, in 2014, the percentage of Os 3 is almost as large as the percentages in 2015. They contributed approximately 15%. Furthermore, the proportion of others systems was 48% in the first year, ranked first in this year. However, it fell by approcimately 12% in the next year. Moreover, the proportion of others systems was 23% in 2014. The percentages of other systems dropped steadily, reaching 15% in 2015.