The bar graph illustrates the numbers of visitors (in million) visited the main attractions in Europe between 1981, 1991, and 2001.
Overall, while National Gallery and National Park witnessed a dramatic increase, Central Amusement Park and Science Park visitors declined over time. However, Central Zoo visitors remained equal over period. Central Amusement Park was main attraction of public as compared to other places.
In 1981, National Gallery stood at 10 million visitors, which rose significantly to 14 million in 1991, and further to 20 million visitors in 2001. Similarly, 10 million visitors visited National Park in May 1981. Numbers increased gradually to 15 million in 1991 and 16 million in 2001.
In contrast, numbers of visitors in Central Amusement Park fluctuated over a period beginning at 25 million in 1981, dropped to 20 million in 1991, and recovered by 2 million in 2001. Moreover, Science Park stood at 6 million and experienced a steady decline to 5 million in 2001. Number of visitors in Central Zoo remained constant 5 million in over two decades.