The given line graph illustrates the proportion of people going to the gym once a month or more among various age groups from 1984 to 2003.
Overall, younger people, particularly aged 18-25 became increasingly more active in going to the gym, while participation among older generations remained comparatively low. Although the 26-45 age group showed some fluctuations, they still ended up as one of the most consistent users of gym facilities.
In 1984, around 30% of attendance was seen at 26-45 age groups monthly, while over 10% of participants was active in 1984. While the 26-45 age group experienced a minor rise to 40% in 1989, later declined slightly in 1994. However, this figure then rose again and finished at over 50% in 2003. Furthermore, the 18-25 age group showed consistent increase and reached approximately 65% by the end of the timeframe, making them the most popular age group.
The older age groups showed considerably lower participation rate. For the 46-65 age group, the figure remained around 30% in 1984 and 1989 but decline gradually to about 15% in 2003. People aged 65 and over had the lowest attendance throughout the years, starting with 10%. Although there was a small rise until 1994, the figure decrease in 1999 before rising again to around 20% in 2003.