I did some playing around and I think I can see what it's doing. The graph spans a number of months.  Towards the early months in the graph, there are only 15/17 items that exist in the data that I am attempting to sort. Towards the final months in the graph (when the new items begin appearing) I then have 17/17 items, however rather than sorting it as expected, the 15 items that existed at the start are sorted, but the 2 new items just seem to be tossed in randomly. I tested it by scaling the graphs reporting range and when the first month includes the 2 new items, it sorts it correctly. Any thoughts on how I could correct this aside from creating 17 dummy entries at the start to ensure my sort order is taken into consideration at the beginning? ... View more