The word ofゴルゴ13 : 利き腕を人にあずけるほど自信家じゃない…
The word of ごるご 13 : ききうで お ひと に あずける ほど じしんか じゃない …
est. Rough estimate based on volume count, reprints and magazine — not an official figure
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections