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The line chart shows the percentage of tourists to Scotland who visited four different attractions from 1980 to 2010.

The line graph given illustrations the travelers visiting four distinct places in Scotland including Aquarium, Zoo, Festival, Castle over a period of 30 years, starting at 1980.

Overall, it is clear that the percentage of tourists in Festival experienced a downward trend, while there was a fluctuation in the figure for other attractions. Another key feature is that Castle was the most popular tourist attraction in most years surveyed.

In 1980, the percentage of tourists visiting the castle was nearly 25%, compared to that in the zoo was approximately 10%. In the next 20 years, the proportion of visitors to Castle saw a sharp rise and reach a peak of 45% in 1995 before decreasing by 35% in 2000. However, the comparable figure for travelers in zoo fluctuated slightly around 10-15%. During the remaining of the period, the percentage of the visitors went to the castle continue to slightly declined to 33%, in comparison with that to the zoo increased to 20%.

In the same period, Festival was the most attractive place which had the most percentage of visitors went to in 1980, while approximately 20% of travelers visited in Aquarium. Reached the peak of nearly 35% before recovering back to the initial figure and then that for Aquarium decreased below 10% at the end of the period. Meanwhile, the percentage of festival visitors experienced a gradual decrease throughout the period, ending at roughly 20%.