Year-on-year headline inflation rate increased by 0.4 percentage point to 4.5 percent in May from 4.1 percent in April mainly due to the 0.5 percentage point increment in the inflation rate of food, beverages and tobacco (FBT). In addition, clothing, fuel, light and water (FLW) and services also posted higher inflation rates during the month. Inflation a year ago was 2.7 percent.