(unit : million won)
| Account | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2023 |
|---|---|---|---|
| Operating Revenue | 589,733 | 556,240 | 740,374 |
| Operating expenses | 272,879 | 370,944 | 470,520 |
| Operating income | 316,854 | 185,296 | 269,854 |
| Non-operating income | 318 | 141 | 207 |
| Non-operating expenses | 32 | 10 | 15 |
| Net income / loss before tax | 317,140 | 185,427 | 270,046 |
| Net income / loss | 240,454 | 140,498 | 209,504 |