The graph below shows the percentage of mobile phone owners using various mobile phone features in Vietnam in the years 2005, 2008, and 2010.

The given table

compared

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compares

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the proportion of four functions on cell phones used by Vietnamese citizens in 2005, 2008, and 2010. In general, people used mobile phones primarily to make calls over the shown timeframe.

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, a downward trend was found in the make calls, record audio, and send & receive text messages categories,

while

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the opposite was true for the take photo section. Starting with 100% in 2005, the most popular feature used was making calls,

then

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stood at 100% again in 2008 before decreasing slightly by 3% in the

last

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year.

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, the receiving and sending messages section had the second largest proportion in 2005 with 82%,

then

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declined to merely 68%

at the end

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of

this

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period. As can be seen from the table, beginning at 65%, the percentage of residents using phones to take photos witnessed a marginal rise to 72% in the year 2010. Meanwhile, despite being the third standard function in 2005, the record audio figure was the least popular access in Vietnam in 2010, at just 63%.