The table graph illustrates the proportion of mobile phone owners using various mobile phone features in Vietnam in 2005, 2008 and 2010.
Overall, the most commonly used feature in all three years was Make Calls. While Record is the least used function by Vietnamese people. While Take photos increased, it was opposite for the other feature.
In terms of making calls, it is clear that making calls was the highest feature with a nearly perfect per cent at 100% in 2005 and it still remained in 2008, in 2010 went slighly down at 97%. In contrast, percent of Take photos increased after each period, from 65% in 2005 to 77% in 2010, and it was only feature increaded over time span of time.
On the other features, the propostion of phone usage to Send and receive text messanges had slightly decrease between 82% in 2005 and 68% in 2010. Beside, the alloment of Record radio was also dropped. it stood at the 3th in 2005 at 78%, but over time, it fell about 15% in 2010, and it also the feature which was least in this time.