The bar chart illustrates the distribution of visitors to a museum in three groups, in five-year intervals, from 1997 to 2012. Overall, the total number of witnessed an upward trend, with the exception of those aged under 15 being the only category with a reverse pattern. Moreover, the majority of visitors in this museum were the adults.
In terms of the total visitors, there were 448,100 people going to the museum in 1997 before it decreased dramatically to 401,200 people in the next five years. Despite a rebound to 525,200 in 2007, the toal number declined again to 504,300 visitors by the end.
Concerning three kinds of visitors, the number of adults visiting that museum took the lead, at 300,100 people in 1997, after which it underwent a significant increase to reach a peak of 400,500 in 2007 and finished with 380,000 people, maintaining the leading category. Likewise, the figure for special exhbition visitors was 28,000 in the first year, followed by a gradual growth to 42,000 people in the following fifteen years.
120,000 under-15-year-old visitors went to this museum in 1997. Subsequently, their attendance experienced a sharp fall to 82,300 people at the end of the period.