I can't actually see anyway of doing the forth 'piled up' column. i have tried a hash up of laying two charts one on top of the other..but it's a mess and won't line up..you prob tried that yourself..
I checked in that book I mentioned in the post above. If you look at pages 256-257 and modify the setup you will get exactly what you want. I had setup something like that about a year ago. Note, rather than use blanks for no data in those columns that have only one stack, it would be better to use =NA() to produce #N/A which will not be plotted.
________ MICHIGAN DISPENSARIES