The pie charts demonstrates four allocation of tourists: Wildlife Park and Zoos, Museums and Gallaries, Theme Parks, and Historic Houses and Monuments in the UK in 1981 and 1999 years.
Overall, it is noticable that between 1981 and 1999 number of visitors increased and their magnifications in historical,natural locations has differences.Moreover, some proportions in Museums and Galleries, and Theme Parks significanly changed, while other two distributions do not considerable updated.
To start with, number of tourists increased slightly from 29.1 million to 41.5 million between 1981 and 1999 years. If compare less altered units, percentages of travelers in Historical Houses and Monuments remain constant, while proportion of travelers in Wildparks and Zoos grow up to 5 percentage between the same time period.
In 1981 the Museums and Galleries attracted the most sightseers in the UK and accounted for 48% of total tourists, however in 1999 the number of visitors decreased to 38%. While, number of visitors in Theme Parks rose from 32% to 37% in the same time period.