Amid a surge in Vietnamese residents in Japan, the number of crimes committed by the nation's expats ranked top among the total perpetrated by foreign nonpermanent residents for the first time in 2017, police data showed Thursday.By nationality, police recorded 5,140 crimes committed by Vietnamese, up from 3,177 a year ago and accounting for 30.2 percent of the total. The first spot had been previously occupied by China, which came in second in 2017 with 4,701 criminal cases, according to the National Police Agency data.The number of nonpermanent residents from Vietnam grew more than six-fo…READ FULL ARTICLE