Inward FDI: short term loans are not covered as only loans with a maturity of not less than 5 years are recognized as FDI. Short and long term debt securities are not covered, as well as trade credits. Outward FDI: short term loans are not covered in outward FDI transactions but covered in outward positions; Short and long term debt securities are partially covered as only direct investment enterprises which Korea's outstanding invested amount are above U$10,000,000 are included; Trade credits are partially covered as only direct investment enterprises which Korea's outstanding invested amount are above U$1,000,000 are included.