The table illustrates the number of tourists in million change including five European places within 20 years between 1981 to 2001 on three periods every 10 years. Overall, it can be observed that amusement parks have the most amount of visitors among all periods. However, zoos is the least common attraction of tourists.
On 1981, the British museum and Rijiksmuseum had around 2.98 and 2.44 million visitors, respectively. Similarly, the next twenty years the number of people visited the two major museums with slight increase for both museum to become become 4.30 and 4.28 million in 2001.
Amusement parks was the biggest popular area among all other major tourist destinations with 7.50 million visitors, followed by the acqatic national center with 3.85 million people visit this place. Notably, both attractions had around 1 million tourists decreased in 1991. But, the last ten years for both locations go down dramatically with approximately 7.01 and 3.21, respectively. Zoos was the less important part of tourist plan with 1.01 million visitors in 1981 and remained the same at the end of the period.