The provided line graph illustrates the volume of enquiries received by the Tourist Information Office in a specific city over a six-month period in 2011.
Overall, it is evident that in-person enquiries dominated the total number of contacts throughout the observed timeframe, while correspondence via letter/email exhibited a declining trend.
In January, the graph reveals that in-person enquiries were the highest, totaling approximately 800, followed by telephone contacts at 600 and letter/email enquiries at 200. February witnessed a slight reduction in in-person enquiries to 700, while letter/email contacts rose to 400 with telephone enquiries remaining stable. A significant surge occurred in March, where in-person contacts dramatically increased to 1,600, telephone enquiries escalated to 1,000, whereas letter/email correspondences plummeted back to 200. This upward trend for in-person and telephone contacts continued into April, culminating in 1,800 and 1,200 respectively, while online correspondences remained stagnant.
The month of May indicated a plateau in in-person enquiries at 1,800, with an uptick in letter/email contacts to 400 and telephone enquiries escalating to 1,400. The final month, June, marked the peak of in-person enquiries at 1,900, alongside a stable rate of letter/email interactions at 400, and a notable rise in telephone enquiries, reaching 1,700. Overall, while in-person contacts surged consistently throughout the six months, the method of contacting via letter/email demonstrated a stark decrease, dropping from an initial 200 in January to merely 400 by June.