Concession fees Accrual for risks and repair Net impairment losses on financial assets Other current tax credits IAS adjustment reserve Non-current provisions for repair Other current tax liabilities Current liabilities due to social security institutions Current provision for risks and repair Adjustments for provisions for repair Adjustments finance costs for rights of use Adjustments for decrease (increase) in other current credits Adjustments for increase (decrease) in other current payables Net cash flows from used in operating activities Proceeds from current and non-current borrowings Repayments of current and non-current borrowings Allocation of net income for the previous year