The table compares four different phone features in terms of percentage they are used for each feature by the owner in Vietnam in 2005, 2008, and 2010. Overall, it’s clear that three out of four cell phone features on the table experienced varying levels of increase in the percentage of mobile phone owners using various its features. We can also see that making calls is commonly used in each year shown.
In 2005 and 2008, starting at just 100% percentage of making calls slightly decreased to almost 97%. The second common feature was sending and receiving messages. It slightly dropped from 82% to 73%, and this was followed by a slight decline by 5% to 68% from 74% in 2008 and 2010.
While using taking photos, the features of phones exhibited minor rise from 65 to 70%. Record audio showed a marginal decline from 78 to 75, and then this figure reached just 63 in the final. Taking photos experienced a modest rise from 70% in 2008 to 77% in 2010.
