Using Board of Trade and customs records, it is possible to figure out how many turtle and tortoise shells were imported if you have the import shipment numbers. But living turtles, imported to be sold as pets or released in Buddhist ceremonies, are brought in big tanks that they often share with numerous species of tropical fish. There's simply no way to determine domestic consumption.
在國貿局海關進出口記錄上，龜板還有進口貨號可查出進口量，但作為寵物或放生的烏龜活體，則混雜在熱帶魚等水族類中入關，國內消費數量多寡根本無跡可循。