| Operating revenues | 270,953.98a | 257,203.94a |
| Operating costs | -217,016.35a | -210,142.7a |
| Gross profit | 53,937.63a | 47,061.25a |
| Realized construction income | 0.56a | 0.56a |
| Operating expenses | -37,275.52a | -32,916.55a |
| Operating income | 17,694.41a | 14,972.68a |
| Nonoperating income (expenses) | 6,269.24a | 3,785.67a |
| Income before income tax | 23,963.64a | 18,758.36a |
| Income tax expenses | -4,999.98a | -3,438.87a |
| Net income | 18,963.66a | 15,319.49a |