The table illustrates the utilization percentages of various mobile phone functions among owners in Vietnam across the years 2005, 2008, and 2010.
Overall, the data reveals contrasting trends in mobile phone feature usage, with certain features experiencing growth while others encountered declines over the specified period.
In 2005, the feature ‘Make calls’ was universally adopted, with a remarkable 100% of mobile phone users reporting its use. However, this figure saw a slight decline to 97% by 2010, indicating a minimal reduction in its prevalence. Conversely, the functionality to ‘Take photos’ demonstrated a consistent upward trajectory, commencing at 65% in 2005, escalating to 70% in 2008, and culminating at 77% in 2010. This suggests an increasing inclination among users to engage with this particular feature over the years.
In contrast to the aforementioned trends, both ‘Send & Receive text messages’ and ‘Record audio’ functions exhibited a decline in usage. The percentage of users employing the ‘Send & Receive text messages’ functionality dropped from 82% in 2005 to 73% in 2008, further diminishing to 68% by 2010. Similarly, the ‘Record audio’ feature saw a decrease from 78% in 2005 to 75% in 2008, eventually plummeting to 63% in 2010. These declines reflect a notable shift in user preferences away from these features during the observed years.