The graph illustrates the enquiry cases gained by the Tourist Information Office in a particular city over a half-year period in 2011. Surprisingly, the number of enquiries by in-person and telephone tended to increase noticeably, while that used by letter/email decreased gradually.
The face-to-face inquiries accounted for around 400 in January. It was the lowest number among three methods. However, it experienced an upward trend, which rose moderately to 800 in March. Interestingly, the number of in-person enquiries skyrocketed from 800 in March to approximately 2000 in June. It came first. Another noticeable phenomenon is that the number of telephone enquiries ranked first, made up for almost 900 in January. It levelled off at 1000 between March and April after declining in February. It saw a rise in the number of enquiries between April and June, from 1000 to 1600.
On the other hand, the usage of letter/email constituted almost 800 in January. There was a slight reduction in enquiry numbers, which was around 700 during March. It stayed at approximately 400 after decreasing in March.
In conclusion, in-person enquiry used to have less usage between January and February. As it experienced an upward trend. It came first among three methods. Additionally, the number of using telephone grew continuously, while that of using letter/email reduced steadily.