Monthly- Neither seasonally adjusted nor calendar adjusted data- Bulgaria vis-a-vis World (all entities, including reference area, including IO)- sector: Central bank vis-a-vis Total economy- Future Flows, contingent- Outflows (reserves template)- Reserves Template, principal and accrued interest/coupon- Reserve template- Debt securities issued with embedded options (puttable bonds)- Long-term original maturity with short-term embedded put option- Euro- Euro- All currencies except national currency- Nominal value- Compilation methodology based on international standards