JAKARTA - Indonesia's annuall inflation rate iscontinuing to decline, officials said Monday, with a 12.9 percent rate recorded in May, AFP reported. This compares with year-on-year rises in the consumer price index of 15.3 percent in February, 14.8 percent in March and 13.3 percent in April. The Central Bureau of Statistics (BPS) said the May figure was up 0.8 percent from the previous month. Transportation and communication costs rose 3.4 percent month-on-month following a rise in public transport fares. But clothing prices were down marginally, due partly to the strengthening of the rupiah. This year's budget assumes an annual inflation rate of 9.0 percent.