​ALEXANDRIA, VA, 2017-Feb-03 — /EPR Retail News/ — The U.S. convenience store count increased to a record 154,535 stores as of December 31, 2016, a 0.2% increase (340 stores) from the year prior, according to the 2017 NACS/Nielsen Convenience Industry Store Count. The industry store count has increased by 63% over the last three decades. At…