This line graph illustrates how many people have attended in 4 different types of sports in a certain region from 1985 to 2005.
Overall, one of the type of sport, rugby experienced significant decrease over the period, while tennis increased a lot and other types stay almost same between 20 years.
Although, rugby started in dominant place, it gradually started decreasing. In 1985 just under 250 people play rugby, but year by year this amount collapsed and in 1995 the number of people downed to 200. Between 1995 and 2005 this figure saw sharp decrease of only 50 people. So, this figure decreased modest 4 times over the all period.
The portion of the tennis was 150 at the beginning, but we can see, this line saw a steady increase with any changes and collapses. In the end of the time, tennis reached a peak at around 240. For badminton and basketball, both stayed same with small changes, so badminton has seen a slight decrease in first 5 years, then it continued in the amount of 50 people by the end. Between 1990 and 1995, basketball experienced very small increase and it stayed same position by 2005