def METHOD_NAME(self) -> Dict[str, int]:
    files_size_mb = sum((i.claimed_size or 0) for i in self.files) // 10**6
    return {
        "Population": self.meta.population,
        "Paper": len(self.papers),
        "File": len(self.files),
        "Size (MB)": files_size_mb,
        "Person": len(self.persons),
        "Meeting": len(self.meetings),
        "Organization": len(self.organizations),
        "Membership": len(self.memberships),
        "Agenda Item": len(self.agenda_items),
    }