The graph shows the number of people taking part in 4 kinds of sports in a particular region between 1985 and 2005. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The given line graph illustrates data on participation in four types of physical activities in a certain region between 1985 and 2005. Overall, rugby had the highest number of participants at the beginning, but experienced a steadily drastic decline over time, while tennis saw gradual growth and eventually became the most popular activity by the […]