One factor skewing the recent numbers is that the extended lunar new year holiday in Korea, China, Taiwan and Vietnam fell this year in January, rather than February as in 2008.

• 致使近期数字出现偏差的一个因素是，今年韩国、中国、台湾和越南的农历春节长假是在了1月份，而不像2008年那样在2月份。