A glance at that the graph outlines the number of visitor who went to four different attractions in Edinburgh during the period from 1980 to 2010.
It is clear that there were considerable fluctuations in the proportion of tourist in the place of all in Edinburgh. But overall, more tourists visiting castle, while the attraction of aquarium among tourists decreased over time.
During 1980s and 2000s, there were a sharp increased in visitors to the castle from 24% to 45% ,and then went down to 30% in 2010.
In 1980, the proportion of traveller visiting the aquarium in Edinburgh was about 20%. Traveller numbers rose quickly to 35% in 1985, and then droped grandually to 8% in 2010.
The number of tourist who visited the Edinburgh Fastival fluctuated slightly from 30% (in1980) to 26% (in2010). The tourist attractions of the zoo was only 10% in 1980, but in 2010 this changed and rose to 20%.