The line graph illustrates the number of individuals who participated in basketball, tennis, badminton, and rugby in a specific area from 1985 to 2005.
Overall, throughout the two-decade period, there was an increase in the number of tennis participants while rugby witnessed a decline. However, basketball and badminton recorded relatively stable trends, with minor fluctuations. In addition, the figure for rugby was the highest initially, but was then overtaken by tennis by the end of the period.
Regarding the sports that experienced significant changes, rugby had the highest number of participants, with approximately 250 people taking part in 1985. However, this figure declined moderately to exactly 200 people in 1995, before continuing to drop, but to a more significant extent, reaching roughly 50 participants by 2005. Tennis, on the other hand, started at a lower level, with 150 participants in 1985. The figure then increased steadily by around 20 people every five years, surpassing the rugby participant number from 1995 onwards, eventually reaching 230 participants by the end of the period.
In terms of the remaining sports, which recorded negligible changes, basketball and badminton had comparatively fewer participants initially, at approximately 70 people and just over 50 people, respectively. Despite slight fluctuations around the same level, these figures remained unchanged in 2005.