The given bar graphs represent the data of unpaid workers in different fields in years 2008 and 2014.
Overall, the percentage of volunteers in environmental sector was maximum in both years, whereas there were least memebers to participate volunteerly in health care.
In 2008, nearly one-forth of all helpers contributed with organisations working for education, but their number decerased to 17% in 2014. The fraction of assstants in envionmental coorporations raised from 21% in 2008 to 29% in 2014. There were nearly same members who worked without salaries in health care departments.
Assistants who assisted with sports and arts companies were 15% and 18% respectively in 2008, and the values dropped for both firms to 9% and 12% in 2014. 15% participants in 2008 and 25% participants in 2014 participated in other volunteer activities.
