The graph provide information about the number of people who took part in wildlife survey in Britain between 2001 and 2009.
Overall, both adults and children demonstrated an upward trend. As for the total number of attendees, there was an upward trend either with a steady growth in its number. Group of adults being leader at the start and over the most period, while group of children was the lowest in number. However, at the of the period adults and children showed the same number of members.
Adults were the leading group of survey member in the begining in 2001, starting with 36,000 of adults, showing superior number that was three times greater than children group. These two groups began to dramatically increase in their number untill 2005, where the number of children gradually began to decline up to 2007. The number of adults also started to decrease its number year later, when the number fell from 332.000 in 2005 to 270.000 in 2009, equalling its number with children group.
The total number of wildlife survey member saw an upward trend. In 2001 the number stood at 48.000 and sharply reached 248.000 two years after. For the next 8 years number of member progressivly rose and finished 2009 when it totalled 540.000 members.