The graph illustrates the number of requests obtained by the Tourist Information Office in one city over a six-month period in 2011.
Overall,the quantity of people who gained in person experienced a sharp increase over all over the period,while the figure of people who acquired information by letter and email saw a steady decline.However,the amount of individuals who received information by telephone fluctuated throughout the year.
In detail,the number of people who received in person had an average of more than 400 in the first month of the year,,which rose sharply to 600 by February.During the period between March and June,this data significantly increased.
The figure of people who acquired by letter and email,on the other hand,dropped from 790 to 650 in February,from February to March has not changed.But the rest of the months experienced a decrease.
By contrast,the quantity of people who gained by telephone dropped from 900 to 800,in February respectively.But in March to April the figure remained stable.The other two months saw an increase in the figures.
