The given line provides information on how many people engaged in four different types of sports in a country during a 20-year period from 1985.
Overall, there was a decline in the figure of people participating in rugby, the reverse was true for tennis. Despite slight fluctuations, individuals in this region were involved in basketball and badminton less than the other sports listed. In addition, badminton consistently had the lowest figures throughout the period.
Although rugby was the most popular type in the first decade, it was overtaken by tennis in the second half of the period. A slow decrease was recorded in the number of rugby from approximately 250 in 1985 to 200 which was the same point as tennis at the same time in 1995. From 1995 onwards, the figure of rugby continued to witness a sharp decline, hitting the lowest point during the period, whereas tennis climbed gradually and took the lead over 200 by the end.
Badminton was generally played the least, beginning at around 50 in 1985 and nearby remaining stable at the end which was at the same point as rugby. Moreover, basketball almost exactly mirrored this fluctuating trend, starting from under 100 and finishing at the same point.