The line chart illustrates the number of inquiries made to a Tourist Information Office in a particular city during the first six months of 2011 using three different communication methods.
Overall, visitors sent more requests in person and by telephone, while the number of requests made via letter and email gradually declined during this period. Additionally, in-person requests were the least common, but by the end of the period, they had become the most dominant.
The number of inquiries submitted via letter and email experienced a steady decline throughout the period, starting at approximately 800 in January. By March, their number had fallen to around 700 and dripped steadily to May afterward hitting their lowest point at under 400 in June. Compared to in-person and telephone inquiries, letters and emails became the least preferred communication method by the end of the period.
Conversely, in-person and telephone inquiries surged steadily over the months. In January, telephone inquiries ranked as the most common method of contact at the Tourist Information Office, surpassing 800, whereas in-person requirements remained notably lower at over 400. Subsequently, the number of inquiries received by the Tourist Information Office through direct interactions and telephone conversations continued to climb, peaking at approximately 1900 and 1600, respectively by the final month.