The chart gives information about how many enquiries received by the Tourist Information Office in a city in the first half of the year 2011. Overall, it is clear from the chart that there was an upward trend in both telephone and in-person figures, whereas the opposite was true for that of letter or mail.
According to the graph, the number of enquiries by telephone started at 800, which was highest in January. Then, there saw a modest fluctuation to 1000 in a 2-month period. There was no change in the number of telephones in the next month. The month from April to June saw a dramatic rise in this figure to 1600. Similarly, the number of enquiries in person started at 400, which was the lowest in January. Then, this figure experienced a significant upward trend from January to June, and it reached the highest point at around 1900.
By contrast, the figure of letter or mail started at nearly 800, and then it declined slightly to only around 700. There was no change at this number in the next month. The month from March to June, this figure saw a dramatic drop, it went down a half to nearly 400.