The provided bar graph compares the Internet usage of mature individuals among four countries between 1999 and 2009.
Overall, it can be seen that in 1999, the percentage of adults using the Internet was the lowest across all countries, while network consumption peaked after a decade. Country C was a leader in Internet usage among others, whereas Country D comprised a minor percentage.
In comparison with the years 2004 and 2009, the adult population’s Internet usage represented the lowest results in 1999. Country C made up 25%, while Country D accounted for 20% less than the latter. Countries A and B differed only by 5%, making up 10% and 15%, respectively. In 2004, the percentages of surveyed countries distinguished by only 10% from each other. Although Countries A, B, and C represented proportional percentages, with 40%, 50%, and 60%, respectively, Country D also made the lowest results, comprising 30%.
Regarding the year 2009, the consumption of the global network rocketed, and there are no notable disparities between Countries. Country A made up 70%, while Country B accounted for only 5% higher than the previous one. Country C remained the leader, representing 80%. Meanwhile, Country D had as low a percentage as Country C in 2004, both sharing 60%.