The pie charts represent the percentage of the number of people who use public libraries and the main reasons to visit in Britain in the period over 9 years from 1991 to 2000.
Overall, it is clear that the figure of borrowing or returning videos disappeared in 2000, while the others had only a significant change.
The proportion of borrowing or returning books in 1991 was different from that in 2000, being lower than that, with 65% and 55% respectively. However, this data represented a large proportion in the chart. On the other hand, the figure for borrowing or returning videos in 1991 had no presence in the chart, but in 2000, it surged suddenly with 18%, which can be considered as a breakthrough.
The ratio of obtaining information showed a dramatic upward trend from 10% in 1991 to 20% in 2000, this was an notable development. Meanwhile, the year 2000 witnessed a dramatic decline in the proportion of study with 2% while in the year 1991, it accounted for 10%. Similarly, the figure of reading newspaper or magazines dropped steeply by 10% over 9 yers from 1991 to 2000.