THE CHART BELOW SHOWS THE ACTUAL AND ESTIMATED NUMBER OF VISITORS TO A NEW ART GALLERY FROM ITS OPENING DATE IN 1990 UP TO AND INCLUDING 2001. iT ALSO INDICATES THREE EVENTS IN THE GALLERY'S LIFE. BELOW THE CHART, THERE ARE TWO PIE CHARTS WHICH...

The chart illustrates the original numbers and the estimated numbers people travelled to a new art gallery between 1990 and 2001 whereas two pie charts have data the amount of pleased rated by visitors to the gallery in this period.
Overall, the number of tourists had an upward trend in the real numbers while the estimated numbers saw a slight increase after fluctuating over the period in question.
From 1993 to 1994, there was a considerable decrease in the actual number of visitors came to the event of Shop opened, from 2000 to 1500. However, the estimated numbers saw slight growth, from 500 to 750. Besides, the actual people who were the most attracted by the Event of New Director Appointed peaked at 3000 in 1996. Meanwhile, there was a levelling off at the number of estimated tourists in this period.
We can see that the number of pleased tourists went up as twice times over the 11 years, from 30% to 70%. On the other hand, the number of people who were both dissatisfied and don't know saw a dramatic fall, between 1990 and 2001. From 40% to 20% with dissatisfied, from 30% to 10% with don't know.
It is clear from the graph that the actual number of people who visited the gallery exceeded expectation by a wide margin