Chuang Chi-fa says that statistics in local reports to the emperor show that from 1747-1792 a total of 4,496 people smuggled themselves onto the island. The majority of these were from Fujian and Canton, and they entered through such ports as Luermen, Lutsukang (now Lukang), Tanshui, Penkang, Tunhsiao (now Tunghsiao), Chungkang and Keelung.
莊吉發根據地方官的奏報統計，從乾隆十二年到五十七年，共有四千四百九十六人偷渡台灣，偷渡客的籍貫又以福建、廣東最多，上岸處有鹿耳門、鹿仔港（鹿港）、淡水、笨港、吞霄（通宵）、中港、基隆等。