adding last year data to present year in bar chart
I have 10 years of data from 2005 to 2015.
if i want 2013 year data for a particular column say sales it should show sum of all sales from 2005 to 2012 in 2013.for 2014 it should show sum of sales from 2005 to 2013. how to acheive it for every year in bar chart?
