Legend (SAV/SAV_Changes)

Changes_2011_2012 (0) -1 <all other values> Changes_2012_2013 (1) -1 <all other values> Changes_2013_2014 (2) -1 <all other values> Changes_2014_2015 (3) -1 <all other values> Changes_2015_2016 (4) -1 <all other values>