Toyota Motor Sales (TMS), U.S.A., Inc., today reported its best-ever May sales of Toyota Certified Used Vehicles and posted its 27th consecutive monthly sales record. May also marked the 15th consecutive month Toyota Certified Used Vehicles have exceeded 10,000 sales. May sales of Toyota Certified Used Vehicles totaled 13,866, an increase of 20.8 percent compared to May 1999. Calendar year-to- date sales total 65,280, up 39.3 percent compared to the same period last year.