The given charts illustrate the global market ratio of four computer operating and others from 2012 to 2015.
Overall, in the initial years, other computer operating constituted the highest proportion. In the subsequent years, this trend switched to the OS3, which dominated the charts over the period.
In 2012, other computer operating accounted for half of the chart, which was nearly 3 times higher compared to OS1,OS2, and OS3. These mentioned computer operating displayed a similar proportion in that year. In the next year, the others showed a decline but still dominated the chart. However, OS1 exhibited a significant increase, whereas OS2 and OS1 remained nearly unchanged.
In 2014, the distribution of four sectors were approximately equal. While OS1, OS2, and OS3 increased, the opposite trend can be observed for the “other” sector. In the final year, OS3 surpassed the “other” category to take the lead, whereas “other” category held the bottom. OS2 and OS1 also increased over the given period, both occupied 50% in 2015.