The line graph illustrates data about the number of enquiries received by the tourist information centre in a particular city over a six month period in the year 2011.
Overall, it is evident that there are three ways to submit an enquiry. Receiving enquiries in person made up the largest figure, as opposed to by letter or email which generally had the smallest share. Notably, telephone was at an intermediate level.
In January, gaining a query by telelephone started at around 900, and declined marginally to 800 by February. After that the figure went up to 1000 in March and stayed largely at the same position in April. Next, there was a significant increase of 400, from 1000 to 1400 in May and 1600 by June. In terms of getting a query either by letter or email began at approximately 750 and remained largely at the same level until March. After which it experinced a remarkable decrease to roughly 350 in May and remained unchanged in June.
Looking at the number of enquiries received in person, it started at just over 400 and grew consistently to 800 in March. Between March and April, it saw a considerable rise to 1300 and improved to 1900 by June, making it the most convenient way.