The bar chart compares the questions, which the tourist information office received, between 1997 and 2012, at five years intervals in one city. Overall, adult visitors recorded the highest inquires in 2007 and visitors aged under 15 has the highest questions in the first period, while the special exhibition visitors achieved the highest number of inquires in the last time. Additionally, the figure of adult visitors in 2007,that of visitors aged under 15 in 1997 and the number of 2012’s special exhibition visitors were the greater increase than most categories which has the same colour.
Regarding the figure of adult visitors in over four period. Between 1997 and 2002, the adults remained stable at 300,000. After which, this figure increased the highest inquires in between four times was documented in 2007, where 400,000 questions, before it decreased in 2012, which about 370,000 inquires.
Concerning the visitors has under 15 years old. The number of visitors há a plummet saw the number decrease to less than 100,000 in the end. In the between of period, recorded a plateau in 2002 until 2007 and in the last period this figure decline slightly to roughly 80,000 questions.
Looking last at, the questions of special exhibition visitors from 1997 to 2012 which increased continuously to a peak of around 45,000 inquires in 2012. Before this, in the two first period, it reamained the number of questions, which about 20,000.