According to the InsideEV's monthly sales scorecard, May marked the 32nd month of consecutive year-over-year monthly sales gains for plug-in vehicles! Check out the full report and see the chart snapshot (pictured below), in its entirety, here: http://bit.ly/EVSalesCard
GM will now only release numbers at the close of each quarter (similar to Tesla). The next update will fall in July. However, InsideEV's sees Bolt deliveries are down at the moment, related to inventory as GM reduced Bolt allocations.
More Bolt and GM details at the link!