"Figure 12: Total UK hours and value of frequent volunteers by year, 2012 to 2015","" "","" "","" "Notes","1. The value of volunteering in 2014 is slightly lower from that published in the 2016 UK Household Satellite Account due to methodological improvements relating to population estimation." "Unit","" "","" "","Value (£ billion) ","Hours (billion)" "2012","23.62614","2.083326" "2013","24.38042","2.062465" "2014","22.82884","1.965258" "2015","22.61368","1.929156"