The given table gives information on moblie phone users spending on different functions on their phone in Vietnam in three different years.
It is clear that while the percentage of people taking photo by their phone increased significantly, the opposite was true the remains. Additionally, Calling was the most common feature during the period.
As can be seen from the chart, at the beginning ,most of people tended to use cell phone for making calls, which was the highest percent (100%), whereas the percentage of people spending on taking photos was the lowest figure (only 65%). In the next five years, the figure for making calls remained stable before decreasing slowly to 97% in 2010. By contrast, there was a considerable rise to 77% in the percentage for cell phone owners who using take photos at the end of the period.
In the year 2005, send and receive text messages was the second most popular feature (about 82%), followed by record audio with 78%. Over a period of five years, the figures for send & receive text messages an record audio fell substantially to 68% and 63% respectively.