Macao's visitor arrivals for the first half of 2009 dropped by 11.4 percent year-on-year to 10.4 million, according to the figures released on Friday by the city' s Statistics and Census Service (DSEC). The figures showed that visitors from the Chinese mainland, Hong Kong and Taiwan decreased by 17.3 percent, 0.3 percent and 8. 1 percent respectively in the period, while those from Japan registered slight increase of 1.4 percent. Cumulative number of same-day visitors accounted for 53.7 percent of the total visitor arrivals. Analyzed by mode of transport, visitor arrivals by land decreased by 16 percent year-on-year to 5.43 million between January and June. Visitor arrivals by sea totaled 4.2 million, dropping by five percent year-on-year, while those by air went down by 9.2 percent to 756,791. 