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

of received

questions

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

Overall

, the

number

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

at the end

of the period, it overtook the other two figures.

Also

, the

questions

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

point

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

number

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

number

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

at the end

of June. At the starting

point

, the

questions

asked by telephone had the highest

number

of around 900, a little higher than the

number

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

point

of 1000, the

number

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

then

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

while

the

questions

asked by telephone increased rapidly and peaked at the

point

of about 1600 and became the second highest.