The table chart illustrates how many people engaged in a wildlife survey in Britain over a course of 8 years starting from 2001.
Overall, there was an upward trend in all categories, with the most dramatic rise being seen the figure for children. In addition, the adults had the highest values throughout most of the period.
At the beginning of the period, the volume of people in adulthood who participated in the wildlife survey started at 36,000 people, after which it witnessed a significant increase from 212 thousand people in 2003 to 332,000 people in 2005. However, between 2007 and 2009, the figure for adults was around 1.23 times lower than before, showing a dramatic downward trend. Meanwhile, the number of young residents who joined in the wildlife survey reached at 12,000 people in 2001, which was 14,000 people smaller than that of the adults. Subsequently, this figure fluctuated from 36,000 people in 2003 to 31,000 people in 2007, before concluding stage at 270 thousand people in 2009.
In 2001, the total number of people who took part in the wildlife survey stood at 48,000 people, with adults being the dominant group. Likewise, this figure grew gradually from 248 thousand in 2003 to 362 thousand people in 2007, prior to finishing the phase at 540,000 people in 2005.