The given graph depicts the number of individuals including adult and children, who engaged in the survey about animals living in the wild in Britain from 2001 to 2009.
Overall, the number of adults involved in the survey of wildlife occupying larger of the total, compared to the smaller number of the children from 2001 to 2007. However, a significantly increase in the number of children taking part in the research was recorded in 2009.
According to data recorded from 2001 to 2005, the number of adults participating in the wildlife investigation witnessed a remarkable rise from 36 thousand people in 2001 to 332 thousand people in 2005. Meanwhile, the number of children participants in survey increased quite slightly from 12 thousand children in 2001 to 32 thousand children in 2005 despite the slight decrease of four thousand children ( 36 thousand in 2003 to 32 thousand in 2005 ). This decrease does not affect the total of individuals taking part since the number of adults accounts for a larger number. As a result, the total also rise rapidly from 48 thousand to 364 thousand in the three years.
In 2007, both the number of two age groups decreased by one thousand individuals, thereby the total also had a slight drop from 364 to 362 thousand people. In the last year of this period, 2009, the number of children soar up significantly 239 thousand of individuals taking part in the survey. That leads to the adding of 178 thousand people in the total of the number of residents engaging in the survey.