public function getCorporationLedgerBountyPrizeDates(int $corporation_id): Collection
    {

        return CorporationWalletJournal::select(DB::raw('DISTINCT MONTH(date) as month, YEAR(date) as year'))
            ->where('corporation_id', $corporation_id)
            ->whereIn('ref_type', ['bounty_prizes', 'bounty_prize'])
            ->orderBy('date', 'desc')
            ->get();
    }