The line graph gives information about people who participated in 4 kinds of sports in a particular region from 1985 to 2005.
Overall, rugby witnessed gradual decrease, with opposite being true for tennis. Notably, badminton and basketball had a similar trend and mostly stayed unchanged.
Analyzing sports experiencing downward trends, rugby was significantly higher than that of other sports. However, it was progressively decreasing and in 1995, it lost its lead with number of approximately 180 compared to initial 250. By the end of the period, it managed to drop to only 50 people.
Analyzing sports experiencing upward trends, initially the figure of tennis was 150. From this point on, its started gradually increasing and reaching its peak in 2005 (200). Notably, it managed to surpass the rugby in 1995.
In contrast, badminton and basketball mostly remained steady. Despite initial slight fall, both type of sport managed to recover to its initial numbers. Its also clear that both had almost mirrored each other. By the end of the period, badminton and basketball had a similar numbers as in beginning, approximately 50 and around 90 respectively.