Information from the Statistics and Census Service (DSEC) indicated that new registration of motor vehicles decreased by 3.1% year-on-year to 1,873 in December 2015, of which motorcycles over 50 cc totalled 900, a single-month record high since the data were first released. For the whole year of 2015, new registration of motor vehicles decreased by 3.5% year-on-year to 19,653, with that of light private cars (7,947) falling by 11.5%. Total number of licensed motor vehicles reached 249,339 at the end of 2015, up by 3.8% year-on-year; motorcycles and light private cars accounted for 52.0% and 41.3% respectively. Traffic accident casualties totalled 455 in December, with 3 being killed. In 2015, number of traffic accidents dropped by 1.4% year-on-year to 15,804 cases, resulting in 5,306 casualties and 15 of them were killed. In December 2015, cross-border vehicle traffic totalled 448,119 trips, up by 2.5% year-on-year. Cross-border vehicle traffic for the whole year of 2015 increased by 3.9% year-on-year to 5,131,997 trips, of which vehicle traffic through the Checkpoint of Cotai (1,114,288 trips) rose by 15.2%. In December, passenger ferry movements between Macao and Mainland China and between Macao and Hong Kong decreased slightly by 0.8% year-on-year to 12,163 trips. Passenger ferry movements for the whole year of 2015 totalled 145,385 trips, up by 3.2% year-on-year, with those via the Provisional Ferry Terminal in Taipa (36,858 trips) rising by 9.1%. Commercial flight movements at the Macao International Airport totalled 4,661 in December 2015, up by 5.9% year-on-year. In 2015, commercial flight movements increased by 8.3% year-on-year to 52,182 trips; movements to and from Mainland China (38.0% of total), Thailand (12.8%) and Taiwan (23.9%) predominated, while movements to and from Japan and Vietnam rose notably by 35.0% and 25.9%. Meanwhile, helicopter flight movements between Macao and Mainland China and between Macao and Hong Kong declined by 34.3% year-on-year to 1,069 trips in December; the annual total movements (14,048 trips) dropped by 7.3% year-on-year. Gross weight of seaborne containerized cargo decreased by 33.2% year-on-year to 16,487 tonnes in December 2015. Seaborne container throughput totalled 12,622 TEU, equivalent to 8,461 containers handled, up by 6.1% and 4.6% respectively year-on-year. For the whole year of 2015, gross weight of seaborne containerized cargo increased by 2.3% to 252,160 tonnes, of which 58.6% (147,766 tonnes) passed through Ka Ho Harbour; seaborne container throughput (149,726 TEU) and containers handled (100,927) increased by 7.3% and 4.7% respectively. Gross weight of containerized cargo by land rose substantially by 134.3% year-on-year to 3,650 tonnes in December, owing to a 157.2% surge in cargo through the Checkpoint of Cotai (3,172 tonnes). For the whole year of 2015, gross weight of containerized cargo by land decreased by 9.3% year-on-year to 26,040 tonnes, of which 78.1% (20,328 tonnes) passed through the Checkpoint of Cotai. The Macao International Airport handled 3,033 tonnes of air cargo in December 2015, down slightly by 0.7% year-on-year. For the whole year of 2015, inward air cargo (7,410 tonnes) increased by 11.1% year-on-year, while outward air cargo (16,278 tonnes) edged down by 0.4%. Taiwan remained the major origin and destination of air cargo; inward air cargo from Taiwan in 2015 (61.6% of total) increased by 24.0% year-on-year, while outward air cargo to Taiwan (43.7% of total) decreased by 1.2%. Transit air cargo (6,370 tonnes) increased by 10.7% year-on-year. At the end of 2015, number of fixed-line telephone subscribers decreased by 4.9% year-on-year to 146,138. Number of mobile telephone subscribers increased by 2.1% to 1,896,097, of which stored-value GSM card subscribers shared 64.3%. Number of internet subscribers increased by 11.0% year-on-year to 338,899. For the whole year of 2015, the cumulative duration of internet usage (1.06 billion hours) rose by 11.7% year-on-year.