Meanwhile, post andtelecommunications and education recorded respective declines of 0.3 percent and 2.26percent.
Gold prices increasedby 0.3 percent, while USD prices fell by 0.74 percent compared to the sameperiod last year.
Ten out of the 11 commodity groups posted increased prices in May.
Prices in the culture,entertainment and tourism group recorded the sharpest rise of 2.59 percent asthe month included a four-day holiday and SEA Games 31.
Education inched up0.3 percent as schools completed the collection of remaining fees for the2021-22 academic year; while prices of beverages and tobacco, and food andcatering services saw marginal increases.
Only prices of housing, electricity, fuel and construction materials contracted by 0.71 percent in the month./.