If Japanese were accounted for in nonJapanese countries, it wouldn't be blank in the column furthest left. That is why Hector is right. Example:
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If Japanese were accounted for in the total number of FOREIGNERS, we could assume that one Japanese died in Korea, and the other guy who died was from Korea visiting Japan.
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Since one Japanese died in the real excel sheet, why is that death not accounted for in the total on the left? Because Japanese deaths are not added to the non-Japanese countries. Hector is right. The attachment is the original Japanese vital scores that show how many Japanese people died in total (Ctrl+F 殺 to find the suicide numbers)