The table compares 5 different physical activities, namely running, aerobics, tennis, cycling, and swimming, in terms of the variation in quantity of participants over a 9-year period, starting at 2001.
Overall, the proportion for running was recorded the highest change, whereas cycling revealed the lowest. In addition, it is apparent that while the statistics of running, aerobics, and tennis were significantly increased, the opposite trend held true with cycling and swimming over the period shown.
The running number witnessed the greatest growth at 156%, which commenced with 1.4 million people and went up considerably to 2.2 million people in 2009. There was a similar upward trend of the figures for aerobics and tennis due to the steady growth at just 0.1 million every four years in both categories, increased from 1.5 and 1 million joiners to 1.7 and 1.2 in 2009, respectively. Therefore, the changing percentages of aerobics and tennis are 11% for the former and 15% for the later.
Conversely, the parameter for swimming attendees fluctuated around 3.3 to 3.8 million of persons, saw a dramatic decline with 10%. Furthermore, cycling was notably decreased over 9 years, which dropped by 20%, doubled in the comparison with the figure for swimming. Cycling began with the highest position of the number of people participated in with 4.5 million, despite a remarkable decrease at 3.1 million in 2005, this sport rebounded and ended up with a respective quantity at 3.6 million of people at the end of the period.