The line graph illustrates the proportion of tourists who visited different amusement places in Edinburgh from 1980 to 2010. Overall, although the castle started with a low percentage, it peaked and became dominant, while the aquarium decreased dramatically. Meanwhile, the castle remained constant, and the zoo experienced a minor rise.
Turning to the details, at the beginning of the period, the aquarium stood at around 25%, while the festival accounted for exactly 30%. Over the next decade, it almost reached its peak, hitting approximately 45%, which then gradually decreased to 35% in 2000, making it most visited place in this category. Over the following decade, it leveled off at 30% by the end. Meanwhile, the castle did not experience any dramatic fall, only remaining unchanged over the years.
In terms of other two public places, Aquarium commenced with only 20% commutement. By 1980, It showed sharp fluctuation and hit 20% in 1990. Over the next 2 decades, its figure witnessed constant downward trend, hitting the low of 5%, by 2010. On the other hand, zoo underwent noticeable changes. Its figure faced fluctuations over the next 2 decades and stood at the same percent by 2000, which then rose sharply and suppressed aquarium at the end.