The graph below shows the number of enquiries received by the Tourist Information Office in one city over a six-month period in 2011.

The line graph demonstrates the

number

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of received

questions

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by the tourist information office, from January to June 2011, in one city.

Overall

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, the

number

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of inquiries which were handed over in person was the lowest figure at the beginning, but

at the end

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of the period, it overtook the other two figures.

Also

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, the

questions

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sent by letter or email and delivered by telephone started at almost the same

point

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but they grew apart as time passed throughout the given period. The

number

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of enquiries received in person was about 400 in January, and by March, it had doubled, reaching almost 800, exceeding the

number

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of letters and emails received. It continued to increase to a peak of approximately 1900

at the end

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of June. At the starting

point

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, the

questions

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asked by telephone had the highest

number

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of around 900, a little higher than the

number

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of letters and emails. It witnessed a fluctuation until March and remained steady by April at the

point

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of 1000, the

number

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of received letters and emails remained almost unchanged by March at about 700 and

then

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dropped to around 400 in May and plateaued by the end of the period

while

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the

questions

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asked by telephone increased rapidly and peaked at the

point

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of about 1600 and became the second highest.