読者数, どくしゃすう
reader numbers, number of subscribers (e.g. to a magazine), readership
この新聞は最も人気のある筆者をはずしてから、読者数を減らし始めた。
を
Particle
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action