ALEXANDRIA, VA, 2016-Feb-02 — /EPR Retail News/ — The U.S. convenience store count increased to 154,195 stores as of December 31, 2015, a 0.9% increase (1,401 stores) from the year prior, according to the 2016 NACS/Nielsen Convenience Industry Store Count. [infographic] Within the retail universe that Nielsen tracks, convenience stores account for 34.2% of all outlets in…